If you don't give ______smoking, you'll never get better.
A. off
B. up
C. out
D. in
第1题:
Must I stay at the office this afternoon? ---No, you ______.
A、don’t
B、needn’t
C、don’t need
D、can’t
第2题:
Don't run so much. You'll ____ yourself before the game begins.
A.exhaust
B.exaggerate
C.consume
D.constrain
第3题:
第4题:
You_________tell anyone一it's a secret!
A. have to
B. don't have to
C. must
D. mustn't
第5题:
You_____tell anyone -it's a secret!
A. have to
B. don't have to
C. must
D. mustn't
第6题:
I put my coat here? Sorry, you()
AMay; mustn't
BDo; don't
Ccan; needn't
DMay; can't