【2012浙江宁波】—Why didn't you try your best to get on the subway?
—I tried to, but it started moving _________I could get on it.
| A．before | B．after | C．since | D．if |
It’s so noisy. I can’t _____.
| A．go to bed | B．fall sleep | C．fall asleeping | D．fall asleep |
Dogs are too _____ to take care of.
| A．difficult | B．more difficult | C．most difficult | D．the most difficult |
I saw him ________ the supermarket just now.
| A．goes | B．comes | C．enter | D．arrived |
Why don’t you _____ a soccer ball?
| A．to get him | B．get he | C．getting him | D．get him |
You’d better ____ football in the street.
| A．play | B．not play | C．not to play | D．not playing |