四年级语法专项复习西把栅中心校贾彩霞Say words quicklywhosewhat time how muchhow manywherewhowhatwhat colourhowSay words quicklywhosewhat time how muchhow manywherewhowhatwhat colourhowFinish the exercises 1._are your pants? Blue. 2._is it now? Its ten oclock. 3._is the library? Its on the first floor. 4._do you like this hat? Its very nice. 5._is that girl? Shes my sister. 6._is that shirt? Its twenty yuan. 7._pants are those? Theyre your fathers. 8._are those? Theyre horses. 9._students are there in your class?