8.　　　 You have already been in d______ to me for 1,000 yuan.

7.　　　 It is said that about quarter of E______ can speak at least a foreign language.

6.　　　 Be careful. This material t______ easily.

5.　　　 The s______ look on her face suggested that she hadn’t expected the results.

4.　　　 The tsunami caused many d______ in this area.

3.　　　 With all the magazines he needed b______, he left the library.

2.　　　 Please remember the h______ moment, when Lian zhan came back to mainland after 60 years.

1.　　　 This is a h______(历史)　 book, which tells us something happened in the past..

10.　 With the development of modern industry and agriculture, the air p______ is becoming more and more serious.

三十九

9.　　　 Professor Smith often gives us v______ help and advice in our research work.