单项选择题

I would have come sooner but I () that you were waiting.

A. wouldn' t know
B. didn' t know
C. haven' t known
D. don' t know

<上一题目录下一题>

热门试题

单项选择题

The children won't go there to watch the iron tower ().

A. to erect
B. to be erected
C. erecting
D. being erected

相关试题