–Must I go to medical school and be a doctor like you , Dad?
--No, you _____, son, you’re free to make your own decision.
| A．can’t | B．mustn’t |
| C．shouldn’t | D．needn’t |
—Who usually ________in your family ?
—My mother does .
| A．cook | B．cooking | C．is cooking | D．cooks |
It’s ten o’clock. Betty _______ piano.
| A．is playing | B．plays | C．is playing the | D．plays the |
They are always ready _______ helping.
| A．for | B．of | C．to | D．in |
Mary isn’t ________ a book. She is ________ TV.
| A．seeing, seeing | B．watching, looking | C．reading, watching | D．looking at, watching |
Who are you talking _________?
| A．to | B．at | C．for | D．/ |