—What did our geography teacher say?
—She told us that the earth _____ around the sun.
| A．moves | B．moved | C．has moved | D．was moving |
—Must I hand in my homework now， Mr.Smith?
—No，you ________.
| A．can’t | B．shouldn’t |
| C．wouldn’t | D．needn’t |
—Which season do you like _________，winter or summer?
—Summer.
| A．well | B．better |
| C．best | D．the best |
—________people are there in your family?
—Three.
| A．How often | B．How long |
| C．How many | D．How much |
I’d like to go with you, _____________I’m too busy.
| A．or | B．and | C．so | D．but |
I sometimes help my mom with her housework____________ Saturdays.
| A．at | B．in | C．on | D．to |