---If there are _____people driving, there will be ______air pollution.
---Yes, the air will be fresher and cleaner.
| A．less, less | B．less, fewer |
| C．fewer, fewer | D．fewer, less |
I can’t decide _____.
| A．what to do | B．how to do | C．what should I do | D．how I should do |
That is Jim’s book. Would you please pass _____?
| A．him on it | B．on it to him | C．it on to him | D．on it him |
Do you know if _____ back next week? If he _____ back, please let me know.
| A．he comes, will come | B．will he come, comes |
| C．he will come, comes | D．will he come, will come |
When did your mother _____ home?
| A．Return | B．return to | C．return back | D．return back to |
The text is very easy for you. There are _____ new words in it.
| A．a few | B．a little | C．few | D．little |