i go to school _____ seven thirtyA about B at about C in around D in about

问题描述:

i go to school _____ seven thirty
A about B at about C in around D in about

B
at+时间 表示 在几点

选B.
时间之前用介词at,故直接排除A.C.D.选B.

I go to school ( B、at about) seven thirty.
我大约在七点半左右上学.
在时刻之前用介词at,而不用in,另外about表示“大约”.