用方框内所给词的适当形式填空，每词只能用一次。（5分）

用方框内所给词的适当形式填空，每词只能用一次。（5分）

小题1: He is _______ for Sanya tomorrow.
小题2: Congratulations! You are the ________ in the girl’s relay race.
小题3: Smoking is _______ for your lungs(肺).
小题4: You’d better brush your ________ before you go to bed.
小题5:I have a terrible cold. I don’t feel like _________.