Your bedroom is very dirty．Please________at once．
| A．clean up it |
| B．clean it up |
| C．clean up them |
| D．clean them up |
The workersa new bridge now. The traffic in our city will be better soon.
| A．build | B．built | C．are building | D．were building |
His MP5 is very useful,?
| A．isn’t it | B．is it | C．does it | D．doesn’t it |
Our country the sixth population census(人口普查)already.
| A．finished | B．has finished | C．will finish | D．finishes |
---Many people eatmeat than they did before.
---Yes, that’ s why they’ m getting falter and fatter.
| A．more | B．less | C．fewer | D．much |
The environment in our hometown is getting worse and worse. So many trees.
A. are planting B. should be planted C should plant D. will plant