问题

Could you tell me ___ the robot without any help this morning

A:how does he repair
B:how he repairs
C:how he repaired
D:how did he repair;

正确答案是：

同类题型

下列句子中加点词的用法与其他三项不同的一项是

I’ve finally finished my paper and it ＿＿ me an entire month

The news that Shenzhou VII returned to the earth successfully _____ throughout the country．

There is ________ with your computer. It works well.

Our teachers always tell us on the road because it’s really dangerous.