was playing
were doing
was laughing
was doing
was having
was waiting
was robbing
1. Barbara Grey works in East Square London School, doesn't she? - Yes, she is.
2. Mr Wooding invited a group of Russian students to London, didn't he? -Yes, he did.
3. A group of up to 22 people can go to London, can't it? - No, it can't.
4. Mr Wooding didnt write about the time of the visit, did he? - No, he didn't.
5.The Russian students will stay wth English families, won't they? - Yes, they will.
6. The Russian students wont be responsible for social programme, will they? - Yes, they will.
答:
4)He was playing
5)what you were doing
6)he was laughing
7)What you were doing
8)I was having
9)I was waiting
10) he was robbing