问题

When did your computer go wrong -Last night, while I_______ somemusic from a website.

A: downloaded
B:am downloading
C:was downloading
D:have downloaded

正确答案是：

同类题型

I remember_____the factory owed a small workshop and two machines

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Many old people _________ his age die _________ cancer.

Tryon this red skirt; you will look great it

On seeing the damage he had done to his kind neighbor’s house, the child felt______.