_____air pollution getting worse, the government needs to come up with some effective measures to deal with it.
| A．With | B．Because | C．As | D．For |
Tom ____ the CD player for two weeks.
| A．has lent | B．has borrowed | C．has bought | D．has had |
---Do you know ______?
---Sorry, but if he _____ back, I ____ you know as soon as possible.
| A．when will he be back, comes, will let | B．when he will be back, will come, will let |
| C．what time will he be back, will come, let | D．what time he will be back, comes, will let |
We ____ to the park if it is fine tomorrow.
| A．will go | B．have gone | C．go | D．went |
| A．be building | B．be built | C．build | D．built |
---______ all your things, Tom! I hate them here and there.
---Ok, Mom.
| A．Put up | B．Put on | C．Put down | D．Put away |