1 . — Where on earth did you go last night?
— I ________ to the movies with my friends.

A．did went

B．did go

C．do go

D．do went

2 . do的强调用法
我确实希望你不要灰心并继续学习汉语。(汉译英)

3 . 这些作品穿越几个世纪，出现在我们面前，仿佛时间没有流逝一般。
They really do ______across the centuries as if time itself were nothing.

4 . These works of art really do ______ across the centuries as if time itself were nothing.
这些作品穿越几个世纪，出现在我们面前，仿佛时间没有流逝一般。