--Susan's parents have bought -a large house with a swimming pool in Paris.
--It be very expensive.
| A．can't | B．can |
| C．mustn't | D．must |
She’s not strong enough________walking up mountains．
| A．to go |
| B．going |
| C．go |
| D．went |
Perhaps the famous football star won’t play________football any longer．
| A．a |
| B．an |
| C．the |
| D．／ |
After a short rest，they continued________．
| A．walk |
| B．walks |
| C．walking |
| D．to walking |
They practice________the piano after school．
| A．playing |
| B．to play |
| C．play |
| D．to playing |
They read books at home instead of________TV．
| A．watch |
| B．to watch |
| C．watching |
| D．to watching |