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
_______does he go to the Dancing Club ———Twice a week.
The young man plays _______ violin very well, but he plays ________ basketball badly.
It was in the lab ______ was taken chargeof by Pro. Harris ______ they did the experiment.
I don’t like the ________trip, Mary .What about you—I’m also ________ with it .