问题

er the first time we , Ed —Ofcourse, I do. You _ a song on the stage.

A:have met;sang
B:met;sang
C:met;were singing
D:have met;have sung

正确答案是：

同类题型

You have to be ______ and wait until I finish my work.

下列各语句中加横线词语使用恰当的是（）

Food safety is ________ important, so the government spares no efforts to prevent food pollution

The managers of the two companies are holdingtalks in a light and lively______

f modern agriculture, more and morewaste is produced