1.Mrs.perry bought her son( )yesterday. A.two pair of skates.B.a pair of skate. B.two pieces skates.D.three pairs of skates 2.The teacher told us ( ) story in class. A.a whole of.B.the whole. C.the whole of.D.whole of the. 3.I was ( ) get to the top of the hill. A.the first one to.B.the first one. C.the one first to.D.first one to. 4.There are many trees and flowers on ( ) side of Jngshi East Road. A.both.B.all.C.each.D.every. 5.( ) hard and you'll make progress in English. A.work B.to work C.working D.worked.