I’m looking forward to Beijing.This summer holiday my family are going to the Oympic Spor

问题补充：

I’m looking forward to Beijing.This summer holiday my family are going to the Oympic Sports Center.

A. visit , visiting

B. visiting, visit

C. visit , visit

D. visiting, vsiting

答案：

A. visit , visiting

(答案→)B. visiting, visit

C. visit , visit

D. visiting, vsiting

解析：句意：我期待去北京旅行，这个暑假我们全家将要去参观奥林匹克体育中心。looking forward to 后接动名词，are going to后接动词原形，表示将要做某事，固定结构，故选B