--- Are these your English books?--- Yes, ________.
--- He has never traveled to a foreign country, ? --- Yes. He has been to England once.
---What did Tom ask you yesterday morning? --- He asked me if I _______________ to Beijing with him this Saturday.
---Did you go to school yesterday?--- Yes, I did. But I was late. When I got to school, Mr. Zhang __________his lessons.
--- May I go now? --- No. You ______________ let the teacher know first.”
--What do you think of the EXPO 2010?--- It’s great, of course. people are going to Shanghai for the EXPO 2010.