We are looking forward to ______ to the lecture by the famous professor.
We are looking forward to ______ to the lecture by the famous professor.
A、send
B、be sent
C、being sent
D、sending
【正确答案】：C
【题目解析】：look forward to doing sth.期待干某事，因此可排除选项A和B；后面by表示被动，所以选C。句意：我们盼望着那位著名教授派我们去听讲座。
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