A、one; other
B、it; other
C、it; another
D、one; the other
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 -it's a secret!
A. have to
B. don't have to
C. must
D. mustn't
第3题:
Me,you是两个初始集合,则下列关于派生集合定义方式正确的是
A.link/me,you/:a;
B.link(me,you):a;
C.link/me you/a;
D.link(me,you)/a;
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:
I put my coat here? Sorry, you()
AMay; mustn't
BDo; don't
Ccan; needn't
DMay; can't