用所给词的适当形式填空
小题1:We should prevent fire__________________ (burn) the house at once.
小题2:Please cut out the ___________________ (necessary) words.
小题3:It’s______________ (correct) to drop litter _____________ (care).
小题4:The poor children got back to school_________ (with)the help of the kind people.
小题5:It’s_____________ (excited) for me to pass the driving test.
小题6:I hope this information will help you understand the ________ (important) of study.
小题7:Milk is the ________ (nature) food for young babies.
小题8:Listen! How ___________________ (happy) they are singing and dancing.
小题9:My mother        (cook) when I            (arrive) home yesterday.
小题10:_____ Amy ____ (visit) the Science Museum from 9:00 a.m. to 11:00 a.m. yesterday?