273. Hearing that song always ______ the educated urban youths once working in the countryside(下乡知识青年) _____ the life in the country.

doyou usually go to school— By bus.

Mary is such a lovely girl_____ many ofher classmates are willing to help whenever necessary

One of our rules is that every student ______wearschool uniform while at school.

wonder why he has been acting so strangely these days.—Recent pressure at work may his behavior.