【2013铜仁】—I wonder ____________ at 8:00 last night? —I was watching NBA. A. What were you doing B. What did you do C .what you were doing D. What are you doing
— Who will go to the _____ for teeth cleaning with you, Mark? — My father.
If you play sports ______a living, your job will sometimes be very dangerous. A. for B. at C. by
How aboutto your friends? A. talking B. talk C. to talk
Could you pleaseyour bed? A. making B. to make C. make
Kids won’t go to school. They will study _____ home ______computers. A. at, on B. in, on C. at , by