When you’re learning to drive, a good teacher makes a big difference.A. haveB. having C.

发布时间：2020-08-14 23:35:08

When you’re learning to drive,      a good teacher makes a big difference.
A. have
B. having
C. and have
D. and having

网友回答

A. have
(答案→)B. having
C. and have
D. and having
解析： when 引导的是时间状语从句，填空句为主句，动名词短语 having a good teacher 为主句主语。
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