Ⅰ. 写出标下划线部分在句中所作的成分
1. Mr Yang is lecturing. (主语)
2. We enjoy watching football match. (谓语)
3. We exchanged our ideas. (宾语)
4. Peter is from America. (表语)
5. Leave the annoyed father alone. (宾语)
6. I saw a male enter the building. (宾语补语)
7. The designer is lecturing in the lecture hall. (状语)
8. She gave me a cup of tea. (双宾语)
9. We should protect the environment. (谓语)
10. These students are very wise and hard-working. (表语)