1. Although my grandfather is very old, his legs and feet are very nimble.

2. Because the camel team came over, we heard the pleasant sound of camel bells.

3. Xiaohua has excellent grades because he studies hard and is good at using his brain.

4. Music can not only bring people beautiful enjoyment, but also cultivate people’s temperament.

5. If King Qin really offers fifteen cities in exchange, I will give him the jade.

6. Even if people hide in the tunnel, they will not feel stuffy or too dark.