题目内容
He is looking forward to ____ what is happening over there.
A. see B. seeing C. seen D. sees
A
look forward向前看, 后面跟不定式表示目的状语。

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题目内容
He is looking forward to ____ what is happening over there.
A. see B. seeing C. seen D. sees
A
look forward向前看, 后面跟不定式表示目的状语。