－Would you like some more apples －No, thanks._________

If the homework _______, you can go home.

The Australian boy has a good ________of Chinese and can communicate with others freely.

The key________ the problem of traffic jams is to pay the “congestion charge” ________ by the mayor of London[ ]

What was your brother doing at this time yesterday? –He was reading a magazine ________ I was writing an e-mail athome.