Could she ride a bike when she was five?答:A:Yes,she could B:No ,she can't C:Yes she can为什么选A不选C

问题描述:

Could she ride a bike when she was five?答:A:Yes,she could B:No ,she can't C:Yes she can
为什么选A不选C

could提问说明是过去。could是can 的过去式

过去式,所以用could。

最简单的是判断方法是前面问的是Could 所以后面回答也用Could