—The cars give off a great deal of waste gas into streets. —Yes. But I'm sure something will be done to __________ air pollution.
| A．reduce | B．remove | C．collect | D．warn |
相关试题
Buying clothes a hard job because the clothes a person likes not very often fit him or her.
| A．are: do | B．is; does | C．are; does | D．is; do |
—Daddy，will you come home for supper with US today?
—, but I might be a little late.
| A．I'm busy | B．No problem | C．I'm sorry | D．It's hard to say |
Jenny likes music，but she doesn't like spots.
| A．不填; 不填 | B．不填; the | C．the; the | D．the; 不填 |
At last he _____ finish the work ahead of time.
| A．could | B．was able to |
| C．could be able to | D．can be able to |
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