Look! The traffic isheavywe can’t cross the street now .
A. too, toB. so , that C. such , that
It’s unhealthy to sleep with all the windows ___________.
| A．close | B．closing | C．closes | D．closed |
__________ the room until you finish all your work.
| A．Don’t leave | B．Leave |
| C．Leaves | D．To leave |
Li Ping __________ swim when he was only 5.
| A．can | B．will |
| C．is able to | D．was able to |
---__________ do you speak English so well?
--- By talking to foreigners a lot.
| A．When | B．What | C．Where | D．How |
_________, they often play Chinese Kung Fu.
| A．Keep healthy | B．Keeping health |
| C．To keep healthy | D．To keep health |