1 . 中国已经在这些沿线地区的运输系统和服务上投入了数十亿美元，这将促进整个地区实现大发展，有利于未来的贸易和文化交流。
China has invested billions in systems and services along these routes, which will help to greatly develop the whole area ______ ______ ______ ______ future trade and cultural exchange.

2 . It’s the police’s ______ (responsible) to protect the safety of the travellers, so they should be responsible ______ the accident that happens to them. (所给词的适当形式填空）

3 . The detective was on a quest     1     further evidence.（用适当的词填空）

4 . 单句语法填空
1. I wonder if they have been rescued__________the burning house by the firefighters.
2. Being shy, she isn't used to___________(praise) in front of others.
3. He sincerely apologized___________her___________ losing his temper yesterday.
4. Jack is late again. It is typical____________ him to keep others waiting.
5. It's very easy for teenagers to become attached___________online games, which is really harmful to them.
6. An increasing number of high school graduates have difficulty in expressing themselves (adequate) in writing,________ either in Chinese or in English.
7. -Jimmy is still unhappy today-It's all your fault. You should have made an________(apologise)to him yesterday.
8. _______(commit)to improving the quality of services, we will provide customers with all the information they need.

5 . The boy is going to revise ______ an English exam next week. (用适当的词填空)

6 . Would you mind not picking the flowers in the garden? They are __________everyone's enjoyment.

A．in

B．at

C．for

D．to

7 . The father went to the bookstore to select a reference book _________ his son. (用适当的词填空)

8 . We think the film _____ a country teacher is the best.

A．is about	B．is for
C．about	D．for her

9 . Paul likes surfing the Internet, and he is always searching the Web _______interesting sites. (用适当的词填空)