-Come on, please give me some ideas about the design.
| A．filling | B．filled | C．to fill | D．being filled |
----David hasn’t come yet.
----I think he will soon, for he means what he says.
| A．turn on | B．turn off | C．turn down | D．turn up |
Michaelbe a policeman, for he is much too short.
A. needn’t B. can’t C should D. may
The teacher apologized late.
| A．to his students to arrive | B．to his students for arriving |
| C．at his students to arrive | D．at his students for arriving |
----May I open the win
dow to let in some fresh air?
----
A. come on! B Take care! C Go ahead! D Hold on
It took me a long time before I was able to fully appreciate what they _____ for me.
| A．had done | B．did | C．would do | D．were doing |