英语选择填空题1.You(needn't)takeanumbrella,Iamsureitwon’train.(A.mustn’t,B.needn’t)2.You(mustn't)crosstheroadwhenthelightsarered.(A.mustn’t,B.needn’t)3.Shehasfallenasleep,she(must)beverytired.(A.must,B.can)

Question

英语选择填空题
1.You (needn't) take an umbrella,I am sure it won’t rain.( A.mustn’t,B.needn’t)
2.You (mustn't) cross the road when the lights are red.(A.mustn’t,B.needn’t)
3.She has fallen asleep,she (must)be very tired.(A.must,B.can)
4.He has eaten a lot at lunch,he (mustn't) be seriously ill.( A.mustn’t,B.can’t)
5.What’s the matter with you?You look pale,you (must) go to see the doctor.(A.must,B.need)
6.You (can) do whatever you like at home,but you(must) keep the rules at school.( A.must,B.can,C.need)
7.The streets are so wet that it (must have) rained last night.(A.must have,B.can have)
8.She seems to know nothing about the accident.She (mustn't have) been here.(A.can’t have,B.mustn’t have)
9.He is not at home,he (may have)gone to the office.(A.can have,B.may have)
10.The box is very heavy.I think there (may have been) some books in it.
(A.may be,B.may have been)

Answer 1

4.can't,表示:不可能
5.need 有必要
8.can't have,表示:不可能
10.may be 有可能,一般现在时,对目前状态的推测
其余没问题.