Unit6测试(限时：60分钟满分：100分)一、单项选择(每小题1.5分，共15分)1.—Jimis________Americanboy,right?—Yes.He'sfrom________UnitedStates.A.a;theB.an;theC.a;aD.an;a2.—Mike,doesthechickentastegood?—Yes,it'sreally________.A.deliciousB.terribleC.healthyD.old3.Manyteenagersareswimminginthe________.A.supermarketB.libraryC.poolD.shop4.—You'reinahurry.Whereareyougoing?—Tothecinema.Sue________formeoutside.A.waitsB.waitedC.iswaitingD.waswaitin...