In summer milk will quickly go bad_____ it is put into a fridge.
| A．though | B．unless | C．because | D．once |
He always seems _____. Now he’s looking ______at his new drawing.
| A．happy, happily | B．happy, happy |
| C．happily, happily | D．happily, happy |
Why not ____ your teacher for help when you can’t finish _____ the Story by yourself?
| A．to ask, write | B．to ask, writing |
| C．ask, writing | D．asking, to write |
Look! A number of people at Renmin Square__ something.The number of them ___about1000.
| A．are talking , are | B．is discussing, is |
| C．are discussing about, are | D．are discussing, is |
Here is the book. First ___________ it and then tell me what you think of it.
| A．look into | B．look after |
| C．look up | D．look through |
Helen writes ___________ than __________ girl in her class.
| A．more careful, any other |
| B．more carefully, any other |
| C．more carefully, the other |
| D．more careful, the other |