When and where he came here _______ yet.A．isn’t knownB．aren’t knownC．has not knownD．have not been kn

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• Those who failwill giveanother chance to take the exam.A B C D-英语
• .Oh, Jane,you ’ve broken another glass.you ought ________when you washed it.A．be carefulB．to be care
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• Do I have to take this medicine? It ______ so terrible.A．is tastingB．tastesC．is tastedD．has tasted-英
• By the end of last term, we ___ more than 2000 English words.A．had learnedB．have learnedC．learnedD．h
• — Do you know where Kate is? — No, I don’t. I______ her since last week.A．didn’t seeB．haven’t seenC．
• Professor Li, who I ____ abroad, still teaches in Peking University.A．think wentB．think to have gone
• When I dropped in, his family _______at the table, talking about something.A．satB．was sittingC．have
• .---David. I’ve lost my keys again. ---Here, not again！You______ your keys.A．always lostB．always los
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• —May I see your ticket, please? I think you ________ in my seat.—Oh, you’re right. My seat is upstai
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• I___ my pen.I have to write with a pencil.A．lostB．have lostC．loseD．am lost-英语
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• He found his book this morning, but now he _____ his pen. A．loses B．is missing C．has lost D．lost-英语
• Though we don’t know what was discussed, yet we can feel the topic_____.A．had changedB．will changeC．
• I ___ to your excuses for making so many mistakes.I shall report to your father at once. A．listenedB
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• The boy with a book in his hand __ to see you since nine o’clock this morning.Can you see him now?A．
• In the coal mine disaster, most of the workers were killed but John ______ have a narrow escape. A．c
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• Cell phones _______ by more and more teens and many new functions _______ to them nowadays. A．are u
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