题文
The young man we followed stopped and looked as if __________ whether he was going in the right direction.
| A．seeing | B．to have seen |
| C．having seen | D．to see |
推荐试卷
The young man we followed stopped and looked as if __________ whether he was going in the right direction.
| A．seeing | B．to have seen |
| C．having seen | D．to see |
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