These young trees must .
| A．look after well | B．be well looked after |
| C．take good care of | D．be taken good care |
Herlry________be at home because he phoned me from the farm just now．
| A．mustn’t |
| B．might not |
| C．isn’t able to |
| D．can’t |
—Can you play volleyball？
—Sorry，I ________．
| A．can’t |
| B．don’t |
| C．isn’t |
| D．aren’t |
Victor can play ________ piano．He can join the music club．
A．a
B．an
C．the
— ________ club do you want to ________ ？
—The sports club．
| A．What，have |
| B．What’s，join |
| C．What，join |
| D．What’s，have |
—Oh, dear! I forgot my best friend’s birthday.
—Better keep it in mind next year.
| A．You did? | B．Why not? |
| C．Never mind. | D．No problem. |