题目
The man we followed suddenly stopped and looked as if ( ) ..
The man we followed suddenly stopped and looked as if () whether he was going in the right direction.
A.to see
B.seeing
C.to have seen
D.having seen
为什么不选B?求逐项分析.
The man we followed suddenly stopped and looked as if () whether he was going in the right direction.
A.to see
B.seeing
C.to have seen
D.having seen
为什么不选B?求逐项分析.
提问时间:2020-08-01
答案
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