Unit7姓名________学号________班级________得分________一、听力理解(略)二、单项选择(每小题1分，共15分)()31.Wemustprotect_______environment,oritwillbein________greatdanger.A./;/B.the;/C.the;theD.an;an()32.—Howsoonwillyoufinishyourhomework?—_______thirtyminutes.A.InB.AfterC.WithD.By()33.Thequestionissoeasythat________achildcananswerit.A.justB.evenC.stillD.yet()34.—________anewmovienextSunday.—Really?Iwillgotowatchit.A.ThereisB.Therewillh...