问题
填空题
用所给词的适当形式填空。
1. The child ________ (stop) running around and read his English in the classroom.
2. The police ________ (be) happy to see that no one was hurt in the accident.
3. The boy ________ (run) away quickly when he heard his father's voice.
4. While the boy ________ (sit) in the library, his teacher came to talk to him.
5. The two young men ________ (see) the aliens when the UFO landed.
答案
1. stopped
2. were
3. ran
4. was sitting
5. saw