—I don’t think it very expensive to buy a family computer here.
—Really? I’ll buy _____ next week.
| A．it | B．this | C．one | D．mine |
—What is he doing now?
—He’s ________ the teacher in class now.
| A．listening | B．listen to |
| C．listens to | D．listening to |
The trees in the school are good for our health. So please don’t ________.
| A．cut it down | B．cut them down |
| C．cut down it | D．cut down them |
We are so tired(累) these days because we have ________ homework .
| A．too much | B．too many |
| C．lot of | D．a lots of |
—Why do you like dogs?
—________ they are very friendly.
| A．So | B．But |
| C．Because | D．And |
My class teacher is very good _____ us, and we love her very much.
| A．for | B．with | C．at | D．in |