I haven’t seen my old friends for years I ‘m looking forword them.A. to meetingB. meetC.

问题补充：

I haven’t seen my old friends for years, I ‘m looking forword them.

A. to meeting

B. meet

C. to meet

D. meeting

答案：

(答案→)A. to meeting

B. meet

C. to meet

D. meeting

解析：look forward to 是固定短语，look forward to 里的to是介词，后面必须用doing，意思是：企盼/希望做某事。