—How is Helen in the new school?
—She is doing very well. There is to worry about.
| A．something | B．anything | C．nothing | D．everything |
After school，they practice________soccer with the school team．
| A．to play |
| B．play |
| C．to playing |
| D．playing |
We________two hours________sports on TV．
| A．spent；to watch |
| B．spent；watching |
| C．took；to watch |
| D．took；watching |
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 |
—Hey，man．You can’t cross the street now．You have to wait________the traffic lights turn green．
—Oh，sorry and thank you．
| A．when |
| B．after |
| C．until |
| D．while |