_________the difficult problem,the professor continued to do his experiment. [ ]A. Having solvedB. S

更多内容推荐

• When ________ to danger and conflict, men tend to increase blood pressure, ________ nervous or anxio
• He got up late and hurried to his office, ________ the breakfast untouched.[ ]A. leftB. to leaveC. l
• I looked up and noticed a snake ________its way up the tree to catch its breakfast.[ ]A. to windB. w
• ______ their tennis rackets into the air, the players of the winning team let out loud shouts of vic
• During the opening ceremony, "Miss Smile" has won the hearts of Chinese Internet users aft
• In the near future, China will increase supply of smaller houses, ________ to help lowincome familie
• Smiles around the world _____ be false, ______ other feelings like anger, fear or worry.[ ]A. must;
• Dina,____ for months to find a job as a waitress, finally took a position at a local advertising age
• ______ my parents' letter, I decided to write again. [ ]A. Not receiveB. Not to receive C. Not
• On the bank of the river，we found him________on abench，with his eyes________on a kite in the sky.[ ]
• "Genius" is a complicated concept, ________ many different factors. [ ]A. involved B. invo
• ______in a long queue, we waited for the store to open to buy a New iPad. [ ]A. Standing B. To stand
• The fruit ______ fresh in his fruit stand(货摊) sells well. [ ]A. looked B. lookingC. lookD. to be loo
• ____ almost the whole time of mine, the work made me extremely tired.[ ]A. Occupying B. OccupiedC. B
• On hearing the news, the girl rushed out without hesitation, _____ the luggage _____ on the floor, a
• China，which has the largest population of the world，joined the WTO last week，________15 yearsof talk
• A team, ________two doctors and three policemen, was sent to search for the lost explorers. [ ]A. co
• I was lying in bed last night when I felt the house______. Then everything became silent. [ ]A. shak
• The soldier raised his gun and calmly ______ it at the enemy commander,fired.[ ]A. aiming B. aimed C
• Everywhere we saw people __ the victory at that time.[ ]A. celebratingB. celebratedC. being celebrat
• With nobody her during the festival,the old lady felt lonely.[ ]A. accompaniedB. accompany C. to acc
• ________ in the fields on a March afternoon, he could feel the warmth of spring.[ ]A．To walkB．Walkin
• I couldn't do my homework with all that noise_____. [ ]A. going on B. goes onC. went onD. to go
• There is still a long way to go to work out all the problems the conservation of naturalresources. [
• Without the atmosphere _______ our earth from the sun, it _____ be too hot for any living things to
• The comments the expert made _____ stock market bothered Bill greatly, _____ him sleepless all night
• Many people,especially those out of work,find it hard to make both ends meet with prices________day
• On returning home, she found a note _______ to the door, _______ “Call in later.”[ ]A. attaching; re
• With a large amount of work _______, the chief manager couldn’t spare time for a holiday. A. remaine
• As well as___________the books,he publishes them.[ ]A. to print B. printing C. printedD. have printe
• In April, 2009, President Hu inspected the warships in Qingdao, ________ the 60th anniversary of the
• Having studied abroad for three years, the girl didn’t change much, ________ a bit fatter.[ ]A. only
• There are three reading-rooms in our new library, _______about four hundred students in all.[ ]A. se
• It's impolite to sit there with your feet __________at others.[ ]A. pointed B. pointingC. to po
• Sandy asked his brother about the news in a voice. [ ]A.amazing;surprising B.amazed;surprised C.amaz
• -I was________by the movie，what do you think of it?-That’s what I love，the plot is really________.[
• This group ______ nearly 18 percent of the state's population,are living in a remote area,which
• On their way to the reception building, all the athletes were amazed _______ so many volunteers ____
• The comments which he made________marketing bothered his boss greatly.[ ]A. being concernedB. concer
• __________ he is only a little child,he did a good job.[ ]A. ConsiderB. To considerC. Considering D.
• __________ that it rains tomorrow, what shall we do? [ ]A. Assume B. AssumingC. ImagineD. Imagining-
• Tom was caught ________ yesterday and he ________ not to drive that fast again.[ ]A．speeding；was cau
• ______ healthy, with easy access to affordable medical care, is still a dream for many people, withm
• The students came in, _______and_______, and ________down to have their lesson,[ ]A. smiled, talked,
• Beijing National Stadium,the showpiece of the Beijing Olympics,has fallen into disuse since the end
• —Come on, please give me some ideas about the project.—Sorry.With so much work_________my mind, I al
• Though ________ money, his parents managed to send him to a key university.[ ]A. lackedB. lacking of
• A middle－aged woman came ________ to the bus stop only ________the bus had gone.[ ]A．to run；to findB
• I walked out of the cinema, I'd never come back to this hell of a place.[ ]A. determining B. de
• ________so delicious, the food in this market was sold out soon.[ ]A. TastingB. TastedC. Having been