Ⅰ. 单句语法填空
1. He is always (surround) by other students, telling stories.
2. The way ahead is (block) by the police, so we have to take another way.
3. Why is she (follow) by her father at the moment?
4. Is the meeting (hold) in the great hall now?
5. More hands (need) to finish the task now.
答案：1. being surrounded 2. being blocked
3. being followed 4. being held 5. are needed
