His work _____ have been completed; otherwise, he wouldn’t be enjoying himself on the beach.
#63043
A
should
B
shouldn’t
C
can’t
D
must
推荐题目
When I went to their house, there was no light on. They _____ at home.
#62992
A
can’t be
B
couldn’t be
C
can’t have been
D
mustn’t have been
My English-Chinese dictionary isn’t in my schoolbag. Where _________ I have put it?
#62692
A
can
B
must
C
should
D
would
—Must I return the book tomorrow?—No, you ________.You can keep it for three days.
#63361
A
mustn't
B
needn't
C
can't
D
may not
--- Whose backpack is this?--- It be Mary’s. She is looking for hers.
#74249
A
can
B
must
C
may
D
can’t
We should spend as much time as we _______ over our lessons.
#63678
A
go
B
can to go
C
can go
D
can going