问题

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

A:have never tried
B:has never tried
C:have never been tried
D:has never been tried

正确答案是：

同类题型

After he retired from office, Rogers__________painting for a while, but soon lost interest.

______interesting the work is !

The teacher has a peculiar way of ______her student’s nervousness when then speak English.

I prefer ____ to ____.

The ofthe situin thefuture development.