It’s good to give our seats _________ the bus ________the __________.
| A．in; for; old | B．on; to; elderly |
| C．in; to; eld | D．on; to; young |
Don’t leave your books on the table．Please _______．
| A．take away it | B．take them away |
| C．take away them | D．take it away |
---If there are _______ people driving, there will be _______ air pollution.
---Yes, the air will be fresher.
| A．less; less | B．less; fewer |
| C．few; fewer | D．fewer; less |
While I _______ down the street, I _______ my classmates.
| A．was walking; met | B．walked; met |
| C．was walking; was meeting | D．walked; was meeting |
If it _______ tomorrow morning，we’ll go out for a picnic．
| A．won’t rain | B．doesn’t rain |
| C．isn’t raining | D．isn’t going to rain |
--- _______ I come back before 6 o’clock?
---No，you _______．But you _______ be back later than 7 o’clock．
| A．Need；must；must | B．May；mustn’t；can’t |
| C．Can；can’t：can’t | D．Must；needn’t；can’t |