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