The twins ____ Chinese when they were eleven.A.may tell B.can speak C.must say D.could speak选哪个为什么重点是为什么

分类: 作业答案 • 2021-12-20 03:51:25

问题描述：

The twins ____ Chinese when they were eleven.
A.may tell B.can speak C.must say D.could speak
选哪个为什么重点是为什么

答

D
when引导的是时间状语从句,他们11岁时（过去的时间）,因此主句也要用过去时,表示在过去的时间做的动作,这里四个选项只有could是can的过去式

The twins ____ Chinese when they were eleven.A.may tell B.can speak C.must say D.could speak选哪个 为什么 重点是为什么