I don't know________ they have passed the exam.
| A．what | B．if | C．when | D．where |
Lily likes________books and magazines when she is free．
| A．looking at |
| B．watching |
| C．seeing |
| D．reading |
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 |