此题为判断题(对,错)。
第1题:
You_________tell anyone一it's a secret!
A. have to
B. don't have to
C. must
D. mustn't
第2题:
---I haven’t got the reference book yet, but I’ll have a test on the subject next month.
---Don’t worry. You______ have it by Friday.
A. could
B. shall
C. must
D. may
第3题:
第4题:
You_____tell anyone -it's a secret!
A. have to
B. don't have to
C. must
D. mustn't
第5题:
第6题:
I put my coat here? Sorry, you()
AMay; mustn't
BDo; don't
Ccan; needn't
DMay; can't