—Do you think the thief entered through the back door? —No, if he had, I don’t believe he ______ the living-room window.
#63213
A
would break
B
broke
C
would have broken
D
had broken
推荐题目
You       buy a gift, but you can if you want to.
#62926
A
must
B
mustn't
C
have to
D
don't have to
—        I answer this question in English? —No, you       . You may answer it in Chinese.
#75523
A
May; mustn’t
B
Must; mustn’t
C
Must; needn’t
D
May; needn’t
Boys, you ______ be sitting in this room. It is for your teachers only.
#76759
A
shouldn’t
B
don’t have to
C
won’t
D
needn’t
Tom ____ be ill, for I saw him playing basketball an hour ago. 
#62553
A
mustn’t
B
needn’t
C
can’t
D
may not