题目内容
12、I don’t know whether you happen ____ that he has been away for two months．
A．to be heard B．to be hearing C．to hear D．to have heard
试题答案
12、D
相关题目
I don't know whether you happen ____ that he has been away for two months.
[ ]
A. to be heard
B. to be hearing
C. to hear
D. to have heard
查看习题详情和答案>>
B. to be hearing
C. to hear
D. to have heard
I don’t know whether you happen ____ that he has been away for two months．
A．to be heard B．to be hearing C．to hear D．to have heard
查看习题详情和答案>>