----Mum, ____ I watch TV now? ----No, you ____. You _____ finish your homework first.
#77312
A
may; can’t; must
B
can; can’t; may
C
must; needn’t; must
D
may; mustn’t; can
推荐题目
- Shall I tell Shirley the good news?-No, you________. I’ve told her already.
#77370
A
can’t
B
shouldn’t
C
mustn’t
D
needn’t
--______you swim? -- No, I can’t. 
#76717
A
Can
B
May
C
Must
D
Need
 Everyone ______ be polite to the old people.
#76484
A
may
B
should
C
can
D
could
This book _____ Lucy’s. Look! Her name is on the book. 
#76581
A
must be
B
may be
C
can’t be
D
mustn’t be