--- The Greens have gone to Yangzhou for a trip, haven’t they ? ---____ , and they will return tomorrow afternoon.
—I play pingpong ________than you but you run faster than I.
——________did you finish your homework?—I finished it at 9:00 last night.
—She’s very clever ________not very hard-working.
— What do you usually do ________Sundays? — I usually visit museums with my friends.
— Do you know that beautiful young lady? — Yes, ________is my English teacher.