My grandparents never remember my telephone number, and they always _______ look it up.A．mustB．canC

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• --Pauline has lost her phone. –No. It’s in her bag. I _________ hear it.A．mustB．canC．may D．shall-九年级
• There's only one day to go. You _____ finish your schoolwork by tomorrow.A．canB．willC．mustD．may
• You may_____a student. You are young.[ ]A. be B. areC. isD. am-七年级英语
• 用所给动词的适当形式填空。1. _____ (be) the green shorts yours? 2. How much _____ (be) Mary's shoes?3. Can y
• 科学探究小组做了四个生态瓶，编号分别为A、B、C、D．在瓶中分别加入适量的澄清池塘水、一定量的小鱼、螺蛳、小虾，并放人等量的水草，瓶口密封（如图所示）．然后摆放在阳光充足-八年级生物
• ____ he _____ get up early?A．Did used B．Is use C．Does use D．Did use-九年级英语
• The cakes in the restaurant _______，so they _______ well.A．are tasted better; are soldB．are tasted w
• We think Betty the best student. The sentence structure is ______.A．S+V+IO+DOB．S+VC．S+V+DO+OCD．S+V+P
• 生态系统的组成是（）A．生物部分和非生物部分B．动物和植物C．生产者、消费者和分解者D．所有生物-八年级生物
• —Hurry up , or you ________ catch the train. A．can’tB．needn’tC． mustn’tD．shouldn’t-九年级英语
• —I want some students for the school concert. Bill, ________ you sing? —Yes, I can. But only a littl
• 按要求改写下列各句，每空一词。1. That bag is black. ( 改为同义句)That _____ a _____ bag. 2. This is a T-shirt. (改为复数句子)_
• The price of the socks _____ 5 yuan.[ ]A. does B. doC. is D. are-七年级英语
• —Could I keep this book for another week?—Of course you .A．canB．mustC．shouldD．will-八年级英语
• —Could you please come to the museum with me this afternoon? —Sorry, I ______. I have to take a pian
• —I saw Kate in the park this morning.—It ______ her. She moved to Canada last week.A．can beB．must be
• —Must I park my car behind the cinema? —No,you．Youpark it hereA．mustn’t, mayB．may not, mustC．don’t h
• 在一个生态系统中，细菌和真菌所起的作用是（）A．合成有机物B．分解有机物C．吸收太阳能D．吸收二氧化碳，产生氧气-八年级生物
• In England, traffickeep to the left. It's different from that in China. [ ]A. must B. may C. ca
• Zhang Hua was glad that people _____ each other.[ ]A. can help B. is able to help C. could help D. c
• 用所给的词的适当形式填空。1. How much ______ (be) the blue socks? 2. Can you help ______ (I)? 3. She often ______
• 选择正确的词填空。amisare dodoescandon't1. I ______ a student. My name ______ Li Hong. 2. She ______ my
• —Who's singing in the next room? —It _____ be her. She has gone to New York. [ ]A. can'tB.
• — I answer this question in English? —No, you. You may answer it in Chinese.A．May; mustn’tB．Must; mu
• ---Must Jack come to sign his name on the paper?---Yes, he_____ .A．need B．mustC．mayD．will-九年级英语
• — You used to the bus to school, didn’t you?— Yes, I did. However, I am used to to school now.A．ta
• 生命体进行生命活动所需要的直接能源物质、主要能源物质和最终能源物质依次是（）A．糖类、脂肪、太阳能B．ATP、糖类、太阳能C．ATP、脂肪、太阳能D．ATP、核能、太阳能-八年级生物
• —______I take the newspaper away?—No, you mustn’t.You ______ read it only here.[ ]A. Must; can B. Ma
• 用am, is, are填空。1. Excuse me! ______ this your eraser?2. What ______ those? ______ they birds?3. This
• —How_____youspelltheword"pen"? —P-E-N,pen. [ ]A. is B. am C. do D. are -七年级英语
• ----May we leave the classroom now?----No, you . You to leave until the bell rings.A．mustn’t; are al
• ---Must we leave the classroom now?---No, you _____. You _____ leave after the bell rings.A．mustn�
• ——Who’s the man over there?Is it Mr. Black?——It______be him. He’s much taller.A．may notB．can’tC．will
• 在农田生态系统中，青蛙属于（）A．分解者B．消费者C．生产者D．非生物因素-八年级生物
• 下表为某生态系统的一条食物链在一年中流经各营养级的能量情况，请据表回答问题．生物ABCD能量（焦/米2）1.41×1071.59×1068.80×1048.71×107（1）该生态系统中的生产者是__
• 如图表示的是能量流动方向的示意图．请据图回答：（l）图中①表示______作用，它将太阳光能转变成储存在植物体内有机物中的能量，这个过程在细胞的______（叶绿体/线粒体）中进行．（-八年级生物
• 根据如图回答下列问题：（1）图中太阳光、空气属于生态系统的______部分．（2）图中属于初级消费者的是______，属于最高消费者的是______．（3）螳螂的发育属于不完全变态，与家蚕相比-八年级
• 用be动词的适当形式填空。1. What _____ your name?2. My telephone number _____ 2746598.3. This _____ my ID number
• ---Honey, stay home before I return. ---I _______, mum. A．mustB．can C．willD．should-九年级英语
• ---Is the girl in the red skirt your sister?---No. It _______ be her. She has flown to Australia.A．c
• ---Dad, must we wait until the light becomes green?---Yes, I’m afraid we ______. That’s the traffic
• The man in the office ____be Mr. Black because he phoned me from London just now.A．mustn’tB．may not
• This blue car ____________ be Bob’s bcause his car is black.A．can’t B．must C．could D．would-九年级英语
• 下列有关生产者、消费者和分解者之间关系的叙述，不正确的是（）A．生产者可为消费者提供食物和栖息场所B．消费者有助于植物传粉、受精、种子传播C．分解者可将动植物遗体分解成无-八年级生物
• —Where is Jack, please?—He _____ be in the reading room. [ ]A. can B. need C. would D. must -九年级英语
• Each of you _____ unique means you each _____unique.[ ]A.is, is B. are, areC. are, isD. is, are -七年级
• 将下列句子改为否定句。1. Mrs Green is my history teacher.Mrs Green _____ _____ my history teacher.2. Her father
• — Do you know whose magazine is it?— I think it be Lily’s, for we can find her name on the cover.A．c
• — Be quiet, the head teacher Mr. Gu is coming.— Don’t worry. It _____ be him. Mr. Gu is much fatter.
• — Simon, when are we going to have a class meeting this week?— Sorry. Ask our monitor, please. He kn