问题

You can only be sure of _ you have at present; you cannot be sure of something _ you might get in the future.

A:that; what
B:what; 不填
C:which; that
D:what; which

正确答案是：

同类题型

Recent years have________ rapid changes of my hometown.——Yes, I could hardly recognize it when I arrived yesterday.

“______ did it start” “About two days ago. ”

The boy was named _______ the hero who gave his life for saving him in the earthquake

We have shoes at very good price, two of sports shoes for only $78.

_________ you called yesterday? — TomWhy?