Unit4TheWaterJourneyLesson1习题一、句型转换。1.Weshouldplantmoretreestokeeptheairclean.（改为一般疑问句）plantmoretreestokeeptheairclean?2.Youshouldturnoffthelightstosaveenergy.（改为一般疑问句）turnoffthelightstosaveenergy?3.Youshouldcutmoretrees.（改为否定句）Youmoretrees.4.Weshouldusemanyplasticbagsandplasticbottles.（改为否定句）Weusemanyplasticbagsandplasticbottles.5.Weshouldsaveandreusewater.（改为疑问句）saveandreusewater.二、单项选择。1.---What_____wedotosaveenergy?---Weshouldnotdrivesomuch.A.keepB.shouldC.makesD.cans2.---Howshouldwesaveplasticbagsandbottles?---Weshouldmorepaperbagsandglassbottles.A.useB.usesC.canD.keeps3.Wewoodmaketableschairsandmanyotherthings.A.use;andB.uses;toC.use;toD.uses;for4.Wecuttoomanytreesbecausetreeshelpuskeeptheairclean.A.shouldB.shouldnotC.canD.keep5.Thereisnotmuchcoaloroilon,sowesaveenergy.A.earth;shouldB.Earth;shouldnotC.Earth;shouldD.earth;shouldnot答案一、句型转换。1.Should,we2.Should,you3.Should,not,eat4.shouldnot5.Should,we二、单项选择。1.B2.A3.C4.B5.C
