题目内容

At five in the afternoon we took the subway ________ school.

[  ]

A.go to
B.back to
C.going to
D.to back to
答案:B
解析:

(take的用法为后面跟to do形式,因此选项AC均为错.而back是副词,无法构成动词不定式,所以选项D也为错.此题正确答案是B)


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