15.He was born in a town that/ which is far away from this city.

(福州华侨中学　 兰郑勇 供稿)

14.The girl who/ that is playing the piano over there is our monitor.

13.I saw some trees whose leaves were black with disease.

12.The book ( that/ which) I bought yesterday is very interesting.

11.Have you found the bike (that/which) you are looking for?

15. He was born in a town. The town is far away from the city.

Keys:

14. The girl is our monitor. She is playing the piano over there.

13.I saw some trees. Their leaves were black with disease.

12.The book is very interesting. I bought the book yesterday.

11. Have you found the bike? You are looking for the bike.