they planted trees last year (改为一般疑问句）

They planted trees last spring.下划线trees 3Q they planted trees last year (改为一般疑问句） They planted trees on each ______ (side) of the road. These trees were planted last year.变成否定句They weren't planted last year.为什么these trees 要用they They planted trees yesterday.(改为否定句）They( )( )trees yewterday. I planted trees They planted one h_____ trees yesterday. There are more than n_____ books in our bookcase. At the end of last year ,they had planted 3,0000 trees（找错误） They have planted five t-----(千) trees so far.填什么,thousand加不加s,为什么? they planted trees on ___ side of the playground .A.each B.every They planted trees on__side of the playground.A.either B.each C.all D.every they grow near the great lakes.apple trees are often planted near w____ They have alresdy planted some trees in the garden,一般疑问句 After planting the trees you should often wather them.(改为被动语态)The trees should( )often( )after they are planted. There are many trees planted they went to the hillside they planted trees on the hillside last spring用定语从句连接 To improve the ＿they planted more trees and grass A.environmend B.water C.air D.land到底是什么？ When should we plant the trees They (〉in spring.Aare plantedBmust plantCneed not plantDmust be planted