问题

28No decision about any future plan until we have done a thorough research of the teachers’ preference

A:has been made
B:is made
C:is being made
D:will be made

正确答案是：

同类题型

Is it that you often play computer games ________ worries yourparents

I used to quarrel a lot with my parents , but now we _____ well. [ ]

The purpose of new inventions is _______ life more difficult, but to make it easier.

That’s the best way to ________ into the dangerousarea.

Smoking _________in the cinema. Please stop_________. —Sorry, I won’t.