Not until she took off her dark glasses ________ she was a famous film star.
When she ______ back tomorrow, I’ll tell her all about the news.
It _____ about twenty years since CCTV ____ to broadcast English programs.
Sally worked late in the evening to finish her report ____ her boss could read it first thing next morning.
Each of the students in No.1 High School, Quanzhou works hard at his or her lessons, ____to go to university some day.
--- You've left the light on. --- Oh , so I have. _____and turn it off.