Mary went to the box office at lunch time, but all the tickets __________ out.

China sent up Shenzhou VII manned spaceship into spaceship successfully, which shows that science and technology ______ rapidly in China.

Playing computer games ______ much of his time.

---Excuse me, sir, but ___ you speak English? ---Sure, but only a litte.

---The window is dirty.----I know. It ______ for weeks.