情态动词 单项填空 请从每题所给的选项中选出可以填入空白处的最佳答案。 ( )1.[2019·山东青岛]As middle school students,we _____ follow the public rules wherever we go. A.would B.should C.might D.could ( )2.[2019·山东临沂]Ants are pretty small.You might think that they _____ be rather weak.But what you might not know is that ants are actually very strong for their size. A.need B.can't C.must ( )3.[2019·黑龙江大庆]We _____ pay to get into the concert,because it's free. A.mustn't B.can't C.don't need to D.might not ( )4.[2019·江苏宿迁]—Mum,may I go to see a film with my cousin? —You _____ go if you have finished your homework. A.must B.need C.should D.can ( )5.[2019·四川凉山]We should keep quiet in the library.We_____ speak loudly. A.must B.mustn't C.can D.needn't ( )6.[2019·江苏连云港]According to the notice,guests at this hotel _____ use the sports center at no extra cost. A.can B.should C.must D.need ( )7.[2019·山东滨州]—Mum,it's too hot._____ I swim in the lake? —No,you _____.That's too dangerous! A.Should;can't B.Need;mustn't C.Must;needn't D.Could;mustn't ( )8.[2019·安徽]The designer has tried every possible way to make the robot light,so you _____ worry about its weight. A.must B.may C.can't D.needn't ( )9.[2019·四川南充]—Mum,may I play computer games this evening? —No way,you _____ finish your homework. A.can B.must C.may D.will ( )10.[2019·天津]You _____ walk on the wet hill path because you_____ fall and hurt yourself. A.must;might not B.mustn't;might C.needn't;need D.must;must ( )11.[2019·四川乐山]—Where is Monica?I can't find her anywhere. —She_____ be in the library.She loves reading books when she is free. A.must B.need C.can't ( )12.[2018·甘肃武威]—Can we play soccer here? —No,you _____ play it near the road.That's too dangerous! A.can B.may C.won't D.mustn't ( )13.[2019·四川成都]—Is that Tom over there? —It _____ be him.He is on the plane to Chengdu now. A.can't B.might not C.must ( )14.[2019·江苏苏州]—Some people don't show their talents at the very beginning. —I agree.Even Einstein _____ read until he was seven. A.can't B.mustn't C.couldn't D.needn't ( )15.[2019·江苏泰州]—This task is really beyond me. —Well,if you _____ solve it,you won't get paid. A.can't B.needn't C.mustn't D.shouldn't ( )16.[2019·江苏盐城]Size and type do not matter—you _____ do almost anything if you never give up. A.should B.must C.need D.can ( )17.[2019·湖北武汉]—Try this soup—you _____ like it. —Wow!This is delicious! A.must B.will C.shall D.can ( )18.[2019·甘肃敦煌]—Whose cap is this?Is it Cindy's? —It_____ be hers.Don't you remember she even didn't come to the party? A.can't B.might C.may not D.must ( )19.[2018·四川内江]The blue coat_____ be Tony's.He never wears blue clothes. A.can B.must C.can't D.mustn't ( )20.[2019·甘肃兰州]The magazine _____ Lucy's.We ... ...
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