It _________about an hour to take the underground from the town to the city.

There are a lot of trees ________the house.

Do you often help your classmate with his English-No. He learns English _____ .

13 The struggle against the bird flu andthe suffering _________ brought about have become a big concern across theworld

You’d better tell John tO bring the latestReaders Digest t}le next time he——．