题目内容
The man we followed suddenly stopped and looked as if ________ whether he was going in the right direction.
[ ]
A.seeing
B.having seen
C.to have seen
D.to see
答案:D
练习册系列答案
相关题目
题目内容
The man we followed suddenly stopped and looked as if ________ whether he was going in the right direction.
A.seeing
B.having seen
C.to have seen
D.to see