- 1. He (花了许多时间解释) this project.
- 2. He always (随身携带一瓶葡萄酒) when he comes to dinner.
- 3. The mother has tried her best to (阻止她儿子抽烟).
- 4. The car (失去控制) and hit trees on the street.
- 5. This course (为学生而开设) to have a general understanding of Chinese culture.