Dad ,why must I stop__________ computer games?
For your health ,my boy .
| A．to play | B．play | C．to playing | D．playing |
_____ energy, shut off the hot water after you take a shower．
| A．Save | B．Saving |
| C．To save | D．Saved |
—Haven’t I told you that you should be home earlier?
—Yes, but I _____home earlier than I usually do．
| A．was coming | B．will come |
| C．came | D．had come |
Students who read a lot can do much better in learning English than_____who don’t ．
| A．this | B．that | C．these | D．those |
—I’m worried about my English．
—_____ harder, _____you will catch up with your classmates．
| A．Working, and | B．To work, or |
| C．Work, and | D．Worked,or |
—Would you mind my sitting here?
—______! The man next to me has just gone．The seat is empty now．
| A．You’d better not | B．Of course not |
| C．Take care | D．Wait a minute |