She can't help _____ the house because she's busymaking a cake. [ ]A. to clean B. cleaning

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• 调查时首先要明确_________和_________，制定合理的_________。调查的范围很大时，就要进行_________，调查过程中要如实_________。对调查的结果要进行_______
• 在调查校园的生物时，首先要确定调查的方法和路线。[]-七年级生物
• Parents don't allow their child _______ out alone. [ ]A. going B. togo C. go D. goes -八年级英语
• My parents often ask mea lie and to behonest child. [ ]A. not to tell; aB. not to tell; anC. to not
• 用所给词的适当形式填空。1. It's very nice of you_____ (invite) me to the party.2. It's cold outside. Y
• 用所给单词的适当形式填空.1. There is a good place_____ (have) fun.2. The small garden is the _____ (begin) of th
• 在调查校园的生物时，首先要确定[]A．调查的方法和路线B．调查的目的和对象C．调查的时间和范围D．调查的范围和方案-七年级生物
• 在校园里，观察你最喜欢的一棵树，了解它的各个器官，并把它们描述出来。观察的目的______________________________________________。观察的顺序_________
• 对调查的生物，可以有多种归类方法，如可以按形态结构，将生物归为________、_________和________三大类。按生活环境可以分为________生物和_________生物等。-七年级生
• More and more young people are trying to do something _______ the old .[ ]A. served B. to serveC. to
• 用所给动词的适当形式填空。1. Look! Stephen ______ (lie) on the bunk bed.2. Lily, ______ (look) out of the window.
• It takes me about two hours _____ my homework every day. [ ]A. to finish B. finish C. finishing D. f
• 生物分类的依据不是[]A．形态结构B．内部构造C．数量多少D．生理特征-七年级生物
• 作为分类依据的主要生物特征是[]A．数量多少B．体积大小C．生理功能D．形态结构-七年级生物
• —What would you like ____? — A glass of water, please. [ ]A. drink B. have C. to drink D. to eat -七年
• Please remember _____ the door when you leave the room. [ ]A. close B. to close C. closing -七年级英语
• She was chosen____ a speech at the farewell party.[ ]A. givingB. to giveC. and givesD. gave-九年级英语
• They usually planin Switzerland. [ ]A. to go somewhere together B. to do interesting something C. to
• Doyouthinkacafeisthebestplace______ friends?[ ]A. tochatB. tochatwithC. chatwithD. chattingwith -七年级
• We are not allowedin public.[ ]A. to wait in line B. to pick up the litterC. to smokeD. to keep your
• 词汇运用。1. Can you give me something ___________ (eat)? 2. We will go to the park if it ___________ (no
• 调查是科学探究的常用方法之一，如果我们将调查的生物划分为陆生生物和水生生物两类，则是按照生物的______________来分类。对调查的结果要进行___________、__________，有-七
• 在调查校园生物时，以下同学的做法，正确的是[]A．发现不认识的植物，把它们拔出来，带回家研究B．校园的草丛里有一只蟋蟀蹦了出来，蹦到校园外面去了，就不用把它记录下来了C-七年级生物
• Do I need _____ the room now?[ ]A. to be cleanB. cleansC. to cleanD. cleaning-九年级英语
• Let me _____ you how _____ to our school. [ ]A. to tell; to get B. tell; to get C. tell; get D. to t
• Theboytoldme______. [ ]A.turnrightB.nottoturnrightC.tonotturnrightD.notturnright -七年级英语
• Itisimportant_____. [ ]A.tocarefulB.tocarelessC.carefulD.tobecareful -七年级英语
• —What should I do ,doctor?—_____healthy, you should take more exercise[ ]A. KeepB. Keeping C. To kee
• 改错题。( )1. Can you come to my home for my birthday party? Yes, I'd love . A B C D( )2. In the mo
• We have worked for three hours. Now let's stop ______a rest.[ ]A. hadB. haveC. to haveD. having
• ______milkis______forhealththancoffee. [ ]A.Todrink,goodB.Drinking,wellC.Todrink,betterD.Drinking,be
• 用所给单词的适当形式填空1. I_______ (invite) to the party already by Li Ming.2. My brother was told_______( brin
• 用括号内所给词的适当形式填空。1. Two cats and a dog ________ (be) in the room.2. —Thank you for ________ (help) us.
• The doctor told me _______ exercise right after meals. [ ]A. to do B. not to do C. do D. not do -八年级
• 自然界中的生物按照形态结构分，可分为陆生生物和水生生物。[]-七年级生物
• —Don't skate on the lake!—Why not?Isn't it thick enough ______?[ ]A. to skate B. to skate
• Don'tforget_______thelightswhenyouleave. [ ]A.toturnoff B.turningoff C.turnoff D.turnedoff -七年级
• 用所给词的适当形式填空。1. The Chinese like ____________(eat) different kind of food. 2. What day ____________(b
• Now it's time us a story.[ ]A. tellB. to tellC. tells D. telling-七年级英语
• Everybody says that he is a good person.[ ]A. to depend B. to depend onC. to be dependedD. to be dep
• The teacher asked those boys ____ too much noise in class.[ ]A. do not makeB. not makeC. not makingD
• Let's stop______, I know a good restaurant near here.[ ]A. to have a meal B. to have a restC.ha
• Ittakesyouhalfanhour ______ toworkeveryday. [ ]A. ride B. toride C. ridingD. forriding -七年级英语
• Theroomislargeenoughforus ______. [ ]A. toliveinB. tolive C. livinginD. livein -七年级英语
• James, I'm too tired. Let's stop ________ a rest. [ ]A. having B. have C. to having D. to
• —How do you learn new English words?—I usually use pictures _____ me with them.[ ]A. help B. to help
• 聪聪在校园做调查时记录以下生物名称：松树、榆树、菊花、狗尾草、蜘蛛、蚂蚁、苍耳、蚊子、鼠妇、丁香、小鸟、蜻蜓、桃树、串红，请你帮助他分成两类。植物：_______________-七年级生物
• You look tired. You need _______ a good rest.[ ]A. has B. have C. to have D. having-七年级英语
• Xu Qian loves ____ jokes and she never stops _____.[ ]A. to speak; talkingB. totell; talkC. to say;
• Ithink the room is too small for us _____. [ ]A. to live B. living in C. to live in D. live in-九年级英语