It’s generous _____ them to donate money to UNICEF.
They think it’s important _____ them to help poor children go to school.
| A．to; for | B．for; of | C．of; to | D．of; for |
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 |
The boy is afraid ______ his mother because she is very strict _____ him.
| A．at; with | B．about; in |
| C．of; with | D．with; of |