问题

．Ram explained to his mother ________ he would get home late that night because of extra work

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

正确答案是：

同类题型

(2014·蚌埠九中模拟)General secretary Xi Jinping urged Washington ________ concrete measures to loosen hightech export controls to China.

Some workers are busy building a monument,one______the national hero

We’ve come to help. Which room do you want______

The doctor told me that you just had a strange cold , so you can______.

You won’t succeed_____harder