精选优质文档-倾情为你奉上单元测试题.Choose the best word to complete the sentence.( )1.Is Kates birthday April 21? -Yes,it is.A.in B.at C.on D.of( )2.How many desks and chairs in your classroom?A.there are B.are there C.is there D.there is( )3.Why Jim go to the cinema with you the day before yesterday?A.does B.didnt C.wasnt D.do( )4.Whats Hele