When you’re learning to drive,__ ____ a good teacher makes a big difference.
问题描述：
When you’re learning to drive,__ ____ a good teacher makes a big difference.
A.have B.having C.and have D.and having
选择cd 的话那个and错在哪里了?
答
这是when引导的从句.整个句子要有一个主语,动词的ing形式做主语是很常见的.
在这里 选B.having a good teacher 做主语,makes 是谓语.
When you're learing to drive,having a good teacher makes a big difference.
当你学潜水的时候,有个好老师是很重要的.