I ______ worry about my weekend—I always have my plans ready before it comes.
#63621
A
can’t
B
mustn’t
C
daren’t
D
needn’t
推荐题目
---- 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
It _____ last night., because the ground is all wet 
#63480
A
should rain
B
should have rained
C
must rain
D
must have rained