—Thank you very much for giving me a hand when I was in trouble. —Don’t mention it. I only did what anyone else    in my place. 
#63418
A
must do
B
might do
C
would have done
D
can have done
推荐题目
 — Can we leave the classroom now?— No, you ______. You ______ to leave until the bell rings.
#74363
A
mustn’t, are allowed
B
don’t have to, are allowed
C
needn’t, aren’t allowed
D
can’t, aren’t allowed