— Listen! Helen is singing in the classroom.—It _______ be Helen. She has gone t

— Listen! Helen is singing in the classroom.—It _______ be Helen. She has gone t

题型:不详难度:来源:
— Listen! Helen is singing in the classroom.
—It _______ be Helen. She has gone to Shanghai.
A.mustn’tB.may notC.can’tD.should

答案
C
解析

试题分析:句意:--听!海伦正在教室里唱歌。--不可能是海伦。她已经去上海了。分析:mustn"t在英语中不能用于表示推测,但是可以表示“禁止/不允许”之意。如:You mustn"t smoke here. 在这里你不许抽烟。2. can"t/couldn"t表示推测时,意思是“不可能……”,语气非常坚决的否定推测。本句表示推测之意。故选C
举一反三
单词拼写(共10小题,计l0分)                          
小题1:What a p_____ ! He missed the last bus. He had to walk home.
小题2:Smiling costs n________, but gives so much.                    
小题3:I like Thursday , the f________ day of a week best, because I can play golf that afternoon.
小题4:Which is f______, traveling by train or by plane?
小题5:Jeff is a good l________, he always pays attention to you when you are talking. 
小题6:I like dogs because they are always f__________.
小题7:English is w______ used around the world for computers.
小题8:In fact, I don’t like playing computer. I just think it’s a good way to k_____ time.                                               
小题9:–W_____ are these bags?     –They belong to Emma.
小题10:I really don’t know w_________ I should take a gift or not when I am first invited to a dinner in the U.S.                        
题型:不详难度:| 查看答案
--Our class won the English speaking contest.
--Congratulations! You________ be very proud of it.
A. can                 B. would               C. must          
题型:不详难度:| 查看答案
-It’s Sunday today, so you        get up so early.
-Yes, I can have a good rest.
A.don’t needB.don’t haveC.haven’tD.needn’t

题型:不详难度:| 查看答案
— Must I finish my homework now?
— No, you ________. You can go home now.
A.needn’tB.mustn’tC.shouldn’tD.can’t

题型:不详难度:| 查看答案
Tell me and I’ll forget. Show me and I       not remember. Let me try and I’ll understand.
A. can                   B. may                C. must
题型:不详难度:| 查看答案
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