问题

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

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

正确答案是：

标签： did , when , your

同类题型

_________ismyfriend._________nameisTom.

_____ we need more time is obvious.

Your watch looks so nice. It must be expensive.—No. I ____ 20 yuan on it.

“Can I take it away?” “You ___ better not.”

The old man wouldn’t stay at home for a rest even if it rained. —- . He would feel sick if he stayed home for one day.