He is looking forward to ______ what is happening over there.A．seeB．seeingC．seen_刷题宝

题干

He is looking forward to ______ what is happening over there.

A．see

B．seeing

C．seen

D．saw

上一题下一题 0.64难度单项选择更新时间:2014-11-18 07:59:47

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