7.　These new houses are so nice. __________ are very expensive.

6.　I own a blue bike. The red one doesn’t belong to __________.

5.　How far is the thunder ?　 - __________ is three kilometers away.

4.　What day is __________ today? 　- __________ is Thursday.

3.　Professor Wang sets ________ a good example. We must learn from ________.

2.　China is a developing country. _________ lies in the east of Asia.

1. __________ is my aunt. We often visit __________.

8.四月份有30天。

7.在这个山前面长着一棵高大的松树。

6.就只剩下二十八美元了。