may we take the books out
wish to recollect where I met her,______?
A.would I
B.may I
C.may not I
D.can I
答案为什么是b,能具体说下原因吗
you ___out yesterday without a coat.no wonder you caught cold
Aoughtn't have gone Bshouldn't have gone
为什么要选b第一个答案为什么是错的呢