If you come across some difficulties, don’t _________ to tell me.
A stop
B go
C pause
D hesitate
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:
You_________tell anyone一it's a secret!
A. have to
B. don't have to
C. must
D. mustn't
第3题:
I put my coat here? Sorry, you()
AMay; mustn't
BDo; don't
Ccan; needn't
DMay; can't
第4题:
A、behave rudely
B、go
C、come
D、follow
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:
用来实现在程序中暂停的命令为()
A.stop
B.quit
C.pause
D.break