问题

By improving reading skills, you can read faster and understand more of ________you once thought impossible to understand.

A:that
B:whether
C:which
D:what

正确答案是：

同类题型

The retired man donated most of his savings to the school damaged by the earthquake in Yushu, _____ the students to return to their classrooms. [ ]

would you like to eat here– ____ but spaghetti, which is not to my taste

Owen wouldn’t eat anything ____________ he cooked it himself

How did youpass the challenging test ——It was a long timeI found a series of suitable methods

Simon_________ hisfingers when he was cooking the dinner.