1. They have to stay at home for a long time _____ (由于) the heavy rain.
2. I'm a stranger here, so I can't _____ (适应) right now.
3. Running is a good way to  _____ (保持健康).
4.Yao Ming's father and mother are very _____ (骄傲) of him.
5. He has a lot of  _____ (经验) in this subject.