用所给词的适当形式填空。
【小题1】What did the doctor _______________（say）yesterday?
【小题2】The girl ___________（take）exercise every morning.
【小题3】We should sleep at least 8 __________（hour）each night.
【小题4】Don’t ___________（drink）too much coke.
【小题5】Everyone wants to __________（stay）healthy.
