—Do you know where Mary is? I couldn’t find her anywhere.—Well . She        have gone far—her coat’s still here.
#63338
A
shouldn’t
B
mustn’t
C
wouldn’t
D
can’t
推荐题目
Mary ______ my letter; otherwise she would have replied before now. 
#63420
A
has received
B
ought to have received
C
couldn’t have received
D
shouldn’t have received
Last night Li Ping watched the football match at my home, so he________ in his office. 
#63219
A
needn’t have worked
B
mustn’t haven’t worked
C
shouldn’t have worked
D
couldn’t have worked