Did you see them ____ basketball this morning?
| A．playing | B．were playing | C．to play | D．are playing |
--________ do you go to the supermarket, Amy? -- Once a week.
| A．How many | B．How much |
| C．How far | D．How often |
You should _______ smoking. It’s really bad for your health.
| A．look up | B．give up |
| C．get up | D．set up |
Now teenagers are very busy with their schoolwork and they have _____ time to do exercise.
| A．few | B．little |
| C．a few | D．a little |
Sam enjoyed collecting. He has collected over three _______stamps.
| A．hundred | B．hundreds |
| C．hundred of | D．hundreds of |
The old man can’t hear us well because there’s something wrong with his ______.
| A．mouth | B．nose |
| C．ears | D．eyes. |