More and more people have a low-C life and the air is _________ than before.
| A．good | B．more good | C．better | D．the best |
Could you please not ____________ here?
| A．smoking | B．smoke | C．to smoke | D．smoked |
It ____ me two hours to finish the work last night.
| A．spent | B．spend | C．take | D．took |
—We’re organizing a party next Saturday, and I’d like you to come.
— ______! I have a meeting to attend that day. Thank you all the same.
| A．Good luck | B．What a pity |
| C．Never do it again | D．Well done |
14. Don’t try to do everything at once. Take it a bit __________.
| A．at times | B．at that time | C．at all times | D．at a time |
—Peter doesn’t mind lending you his camera.
—He __________. I’ve already borrowed one.
| A．needn’t | B．can’t | C．mustn’t | D．shouldn’t |