5. The war (发生) in the 18th century.

4. (毫无疑问) ，it is very important to learn English well.

3. We became good friends (偶然地) .

2. (不论) how bad the weather is,he always gets to school on time.

II.根据提示写出下列词组或句型

1. Jinan (以……闻名) the Darning Lake.

7. As you might imagine,our class is a (live) group.

6. This piece of clay has been fired at a very high (hot) .

5. Now the street is (near) empty because of cold weather.

4. —Thank you for helping me carry these things.

—My (please) .

3. With the development of China,Chinese is used (wide) in the world.