---May we leave the classroom now?---No, you . You to leave until the bell rings.
This is______difficult problem that few students can work it out.
﹣I think collecting stamps is great fun. ﹣__________ We can also learn a lot from it. A. I agree with you. B. No, I don’t think so. C. No, I don’t like it.
Lao Wang ___________ Beijing Opera every morning . Listen, he ___________ in the garden.
─What’s the girl doing? ─She ______ a bike.
-__________does he take a shower? -___________six forty.