—Mum,       I watch TV now ? —No, you        finish your homework first.
#74952
A
may, need
B
can, have to
C
do, must
D
may , must
推荐题目
 I’m feeling much better now, so you           call the doctor.
#74169
A
couldn’t
B
wouldn’t
C
can’t
D
needn’t
 ---- Have you ________ Tim to go with us'? ---- No. He wants to but he ________ care for his sister because his parents are busy.
#75291
A
regretted; should
B
persuaded; has to
C
contacted, likes to
D
introduced; needs to
 ---Why hasn’t Jane arrived yet?  ---She ______ again in the morning.
#62660
A
shouldn’t have overslept
B
may have turned off the alarm clock
C
must have no one to call her
D
should have someone to wake her up