问题补充：
----Let’s after school.
---OK.
A. to go to the movies
B. go to the movies
C. to go to a movies
D. go to a movies
答案：
A. to go to the movies
(答案→)B. go to the movies
C. to go to a movies
D. go to a movies
解析：句意：让我们放学后去看电影吧。好的。Let’s后接动词的原形，go to the movies去看电影，固定短语，故选B
