7、t?A.a B.an C.the D.x 15.Ourclassroom_____everyday,soit’sveryclean.A.cleans B.iscleaning C.iscleaned D.cleaned三、下列每句中的划线部分有一处是错的,找出并改正。 1.ThisbikeisbuyinHarbin,isn’tit? A B C D 2.Aretheremorethantwothousandsstudentsinyourschool?
8、 A B C D 3.Electricshippersareusedfortoseeinthedark..