she_______ yesterday's test,but she didn't.以下四个选项应该选哪个啊?急.a.should have studiedb.would studyc.might be studyingd.must have studied

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she_______ yesterday's test,but she didn't.以下四个选项应该选哪个啊?急.a.should have studiedb.would studyc.might be studyingd.must have studied
she_______ yesterday's test,but she didn't.以下四个选项应该选哪个啊?急.
a.should have studied
b.would study
c.might be studying
d.must have studied

she_______ yesterday's test,but she didn't.以下四个选项应该选哪个啊?急.a.should have studiedb.would studyc.might be studyingd.must have studied
a.should have done 本应该做某事,但没做
b,would do 过去将来时 表示过去将要做某事,与后半句没有逻辑关系
c might be doing 过去可能在做某事
d must have done 对过去完成时的肯定猜测
这类型的题主要就把情态动词和时态分开看就行,看一下这个情态动词表示什么,再看一下具体时态表示什么
这个题为例把,she didn't 是过去时,看句意就知道动作发生在didn't之前,所以用完成时,should表示本应该,应该 所以就选a

a ,should have done 表示本应该做某事而实际上没有做,这道题的意思是“她昨天本应该参加测试,但实际上她没有参加。”

she said she_______ (watch) TV at this time yesterday. She_______(建议) going to the zoo with their children yesterday. She_______(watch). Mrs Smith made a phone call to my mother yesterday evening.But she_______(not,be)in.Mrs Smith made a phone call to my mother yesterday evening,but she_______(not,be)in.怎么填?为什么?为什么不用didn’t? Millie______(not see)me at 4:30p.m.yesterday.She_______(chat)with her friends at that time she_______ yesterday's test,but she didn't.以下四个选项应该选哪个啊?急.a.should have studiedb.would studyc.might be studyingd.must have studied ______Alice often play the piano?No,she_______. yesterday Yesterday 1.Yesterday,she_______(wear)sunglasses to go to school2.We need to _____(wear) sunglasses in_____(sun)days3,Piease remember_______(close)the door4.Whats the best time _______there.4.Whats the best time _______(go)there.第4条我进行了修改 用适当情态动词填空1._______we put our coats here?2.Mother was ill yesterday.She_______ look after her at home.3.They are our rules.You _______ obey them.4.-May we come a little late?-No,you______.5.-______ I finish my homework now?-No,you ne 英语时态填空:1.he___[read]under the tree at this moment yesterday.2.don't make a noise,the baby____[cry]3.they_____[arrive]in canada in a week.4.____susan_____[have]her breakfast yet?no,she_______.5.tom_______[paint]the case since this mornin 填空Mary______(not sing)well,but she_______(dance)wellRT she is a teacher.She_______ (teach)in school. she wants to be an actor when she_______(成长)uo What will happen if she_______(not come) tomorrow? Betty felt sad because she_______(lose)her wallet what____Sue______(do)this Saturday?she_______(visit)her grandparents