Ⅳ. 用所给动词的适当形式填空
【小题1】Drivers mustn't drive after ______ (drink).
【小题2】Your teacher are very ______ (worry) about you.
【小题3】We should play our part in ______ (clean) the classroom.
【小题4】Rubbish causes plants and fish ______ (die).
【小题5】______ (read) in bed is bad for your eyes.