Question

I look forward _____ you next month. A. to see B to seeing C. see D. seeing

Answer 1

look forward to
一般接名词或词组，还有动词的ing形式。

如：I‘m looking forward to seeing you.
I‘m looking forward to your good news.

expect:
其后可接不定式或不定式的复合结构，但不能接动名词。如：
I expect to finish the work by Friday. 我期望能在星期五以前完成此工作。
He expected her to go with him. 他期望她同他一起去。
也可接名词，短语或者从句：
I expect a telephone call from her.
I expect that tomorrow will be a good day.
或者接双宾语：
I expect you a good health.

Answer 2

B. to seeing
to 在这里是介词。所以要用动名词seeing

Answer 3

B
look forward to doing sth 盼望做某事

Answer 4

look forward to是固定搭配，其中to是介词，介词后面是名词或动名词。固选B