As middle school students，we should to protecting our school environment．（ ）
| A． |
make a contribution |
B． |
make a decision |
C． |
make progress |
The teacher asked us_______ the question .
| A．answer | B．answers |
| C．answering | D．to answer |
-Why are you in such a hurry, Mike?
-There_______ an NBA basketball game in ten minutes.
| A．will be |
| B．will have |
| C．is going to have |
| D．are going to be |
He tried to make himself ________ by his students, but he failed.
| A．understand | B．understood |
| C．understands | D．understanding |
---The medicine _________ awful. I can’t stand it.
---I know, Jimmy. But it’s helpful for you.
| A．tastes | B．eats |
| C．drinks | D．takes |
When I passed the classroom, I heard a girl ________ in it.
| A．sing | B．to sing |
| C．sang | D．singing |