— If there are _____people driving, there will be ______air pollution.
— Yes, the air will be fresher.
| A．less; less | B．less; fewer | C．fewer; fewer | D．fewer; less |
________you play the violin?
| A．Are | B．Can | C．Is | D．When |
My father usually takes a shower _________the morning.
| A． in | B． for | C． on | D． At |
How much are these shoes? _________ twenty dollars.
| A．It’s | B．There are |
| C．They’re | D．Their is |
Let’s _________ now.
| A．go to home | B．to go home |
| C．go home | D．to go to |
________this your guitar?
| A．An | B．Is | C．Are | D．Do |