—Were you at school when it began to rain? —Yes. I with my teacher at that time.
--What do you think of this film?--Great. It is the best film I have ever seen.
--Must I go there right now?--No ,you .They may go there later.
--Were Tom and Jack at home?-- of them was at home. They were both in the park.
--Why did the teacher the boy? --Because he helped an old man.
--There are people in the shopping mall.--Yes .It is so crowded.