Mary _______ her mother with the housework, but she didn’t.
#63072
A
must have helped
B
ought to have helped
C
must help
D
should help
推荐题目
---Must I answer it in English?---No, you _______. You can use Chinese.
#76005
A
shouldn’t
B
can’t
C
mustn’t
D
needn’t
---- Can I watch TV now? ---- No, you ________. You _______ do your homework first.
#76429
A
can’t; can’t
B
can’t; must
C
mustn’t; can’t
D
needn’t; must
I ___________ through that bitter period without your generous help.
#63240
A
couldn’t have gone
B
didn’t go
C
couldn’t go
D
hadn’t gone
You____Tom at the party yesterday;he went abroad for a holiday last week.
#63294
A
should have seen
B
might have seen
C
mustn’t have seen
D
couldn’t have seen