问题

Cindy shut the door heavily and burst into tears No one in the office knew ________ she was so angry[ ]

A: where
B: whether
C:that
D: why

正确答案是：

同类题型

I didn’t know it _______ you told me.

172— Where did you see him? — It was in the hotel ______

Could I please use your computer— .

urs later, people ___________ from thebuilding on fire.

The manager’s son, _____ is Bob, gave me asweet smile.