第三课时一、补全单词。( )1.pi____ A.ek B.ck C.ke ( )2.____rthA.eeB.eaC.er ( )3.dr____veA.aB.eC.i ( )4.c____reA.aB.uC.i ( )5.w____steA.iB.eC.a 二、选词填空。is are1.There____________manyflowersinthepark. 2.There____________somemilkinthecup. should shouldn't3.We____________plantmoretrees. 4.We____________wastewater. toomanytoomuch5.Don'tdrink____________coke. 6.Wecutdown____________trees. ,答案：一、1.B 2.B 3.C 4.A 5.C二、1.are 2.is 3.should 4.shouldn't5.toomuch 6.toomany
