I can’t go to your party, because I have __________ homework to do today.
| A．too much | B．much too |
| C．too many | D．many too |
Mike’s mom is ill. He is ___________ her at home.
| A．looking for | B．looked after |
| C．looking after | D．looked at |
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 |