Joy _______ as a language teacher in China for two years before she went back to London.
--It’s reported that scientists have ________ an effective way to deal with H1N1. --Really? That’s great!
Every time ______ they met , they would talk several hours together about the persons and things _______ they remembered in the middle school.
--- Have you moved to your new house? --- Not yet. My house ______.
We are often _____ by the doctors to eat more healthy food and take plenty of physical exercise.
__________ sleep every night is important for teenagers. _________, loss of sleep can make you feel tired, and even cause you to put on weight.