—How about going hiking this weekend?
—Sorry. I prefer ________ rather than ___________ .
| A．to stay at home; go out |
| B．to go out; stay at home |
| C．staying at home; go out |
| D．going out; stay at home |
Students ought ______ the truth.
| A．told | B．tell | C．telling | D．to tell |
I can’t stand _____ for you so long.
| A．to wait | B．waiting | C．waits | D．waited |
There is _____ pollution in the world. We must stop it.
| A．much too | B．too many | C．many too | D．too much |
The cleaners must prevent the street ______.
| A．getting dirty | B．from dirty | C．from get dirty | D．from getting dirty |
None of us _____ running, but we all like swimming.
| A．likes | B．liked | C．liking | D．would like to |