In public libraries you make any noise. [ ]A. can't B. are not able toC. couldn't D. needn

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• You ______ play with fire. Dave. It's dangerous. [ ]A. needn'tB. may not C. mustn't D
• — Must I go back home at eight? — No, you ______. [ ]A. mustn't B. can't C. never D. needn
• You should ______ more English in and out of class. [ ]A．speak B．speaking C．spoke D．to speak -八年级英语
• —The sports shoes must be Linda's. —No, they ______ be. They're too small for her. [ ]A. m
• —Excuse me. How can I get to the railway station? —Turn left and then follow your nose —You _____ mi
• — The fish has gone bad!— You _____ it in the refrigerator. [ ]A.must not have keepB.must have keptC
• He said that he ________ speak a little English when he was seven.[ ]A. might B. would C. couldD. ca
• — Shall I tell John about it? — No, you ______. I told him just now. [ ]A. needn't B. can'
• — May I go now? — No. You _____ let the teacher know first. [ ]A. needB. mustC. canD. may v-八年级英语
• You know he is not going to let us leave early if we ______ get the work done. [ ]A. can't B. m
• — Must I return this book today, Mrs. Smith?— No, you ______. You may keep it until next week. [ ]A.
• — Who broke the toy car? — It ______ Alex. He likes to throw things here and there. [ ]A. may be B.
• — Excuse me, how ______ I get to the cafe?— Ask Mr Pride. He ______ know. [ ]A. may, must B. can, ma
• — ______ I take some photos in the hall? — No, you ______. [ ]A. Can; needn't B. Must; mustn�
• 一I really like playing computer games! 一I'm afraid you ______ stop for your study and health.[
• Don't go out to play. You _____ finish your homework first. [ ]A. must B. haveC. had D. had to
• — Mike, I can't stop playing computer games. — For your eyes, my dear friend, I'm afraid y
• —Will you answer the telephone? It be your mother —Sorry, I. I'm busy [ ]A.can ; mustn't B
• —Look! It be the new woman manager. —It be her. She has just left for shanghai. [ ]A.can ; mustn
• —Lucy doesn't mind lending you her dictionary.— She . I've already borrowed one. [ ]A．must
• Naturally, after I told her what to do, my daughtergo and do the opposite! [ ]A．mayB．can C．must D．sh
• This book _____ Lucy's. Look! Her name is on the book cover. [ ]A. must be B. may be C. can
• — Must we clean the room right now? — No, you_____. You_____clean it after lunch. [ ]A. needn't
• His parents have bought a large house with a beautiful garden. It ______ be very expensive. [ ]A. mu
• you please pass me a piece of paper? I need to write down the telephone number. [ ]A.Need B.Must C.S
• This book _____ Tom's father's, because his name is on the book. [ ]A. maybe B. may beC. m
• You ______ be polite to the old man. [ ]A. should B. can't C. might D. mustn't -八年级英语
• 人体的呼吸系统由______（包括：【鼻、咽、喉、气管、支气管】）和______组成．主要结构是______（作用：与外界进行【气体交换】），肺的基本单位是______．-生物
• 吸气时外界空气进入肺的正确途径是（）A．口-＞喉-＞咽-＞气管-＞支气管-＞肺B．鼻-＞咽-＞喉-＞气管-＞支气管-＞肺C．鼻-＞咽-＞喉-＞支气管-＞气管-＞肺D．鼻-＞喉-＞咽-＞气管-＞支气管-
• 如图是呼吸系统组成示意图，请根据图回答：（1）既是空气的通道，又是食物的通道的结构是[______]______．（2）呼吸系统的主要器官是______．（3）我们平常所说的“痰”是在[______]
• 人体呼吸系统的组成是（）A．鼻腔和肺B．呼吸道和肺C．气管和肺D．呼吸道和气管-生物
• 人体呼吸系统的组成按顺序应当是（）A．鼻、咽、喉、支气管、气管、肺B．鼻、喉、咽、气管、支气管、肺C．鼻、咽、喉、气管、支气管、肺D．鼻、喉、咽、支气管、气管、肺-生物
• 世界人口不能无限增加，否则人类就不能正常生存，因为生物的生存需要[]A．空气B．阳光C．适宜的温度D．一定的空间-七年级生物
• 久置空气中的烤面包片，难以生出霉菌。这主要是什么因素影响了霉菌的[]A．温度B．光照C．空气D．水-七年级生物
• “万物生长靠太阳”。这句话表明影响生物生长的非生物因素有[]A．水B．温度C．土壤D．阳光-七年级生物
• 鱼儿离不开水说明生物依赖环境。[]-七年级生物
• 下列不是植物、动物和微生物生存所需的共同基本条件包括[]A．营养物质B．阳光C．空气和水D．土壤-七年级生物
• 高山上的空气_____________，温度_____________，不适合生物的生存。-七年级生物
• 仙人掌生活在生态环境恶劣地区，它的叶特化为刺，绿色的茎膨大呈掌状、棒状，能进行光合作用。这些特点适应什么样的生存条件[]A．缺乏空气B．缺乏阳光C．缺乏水分D．缺乏营养-七年级生物
• 宇航员乘坐飞船飞向太空时所携带的维持生命的物质有[]A．淡水B．生理盐水C．食物D．空气-七年级生物
• — Whose guitar is this? — It ______ Alice. She plays the guitar. [ ]A. might be B. must be C. can be
• — Need I have a drive license to drive a car? — Yes, you_____or you might be caught and fined by the
• —Need I go there with you? — Yes, you _____. [ ]A. need B. mayC. must D. can -九年级英语
• — Mum, Must I do my homework first today?— No, you _____. You _____ watch TV or play with your frien
• Someone is knocking at the door. It my mother. It's time for her to be back. [ ]A. can be B. ma
• — Don't forget to go to see Mum on her birthday.— No, I ______. [ ]A. don't B. can't
• — Shall I tell John about it? — If I were you, I _____. He is a dishonest man. [ ]A. will B. won
• —How nice the building is! What is it used for? —It as a hotel. But I'm not sure. [ ]A. must be
• — Where is Tom? — He hasn't come to school today. I think he ______ be ill. [ ]A. has to B. sho
• — Look! The people are fighting over there. Let's go to stop them. — Can't you see? Many p