问题

They waited for _______ seemed to be a long time, hoping that rescue would come.
A:it
B:which
C:what
D:that ;
B:which
C:what
D:that ;
正确答案是:
同类题型
r disappointment, what she had devoted herself to ________ in nothing but failure.
Not until he retired from teaching two years ago ______ having a holiday abroad.
A few minutes earlier and we _____the rain.
id you do last weekend, Jack— Well, I ____ to see a film, but in the end Istayed home doing nothing.