No trees ___ planted last year.这里填was 还是were啊?

No trees ___ planted last year.这里填was 还是were啊? I planted trees Many trees ___(plant) in our school yard these years.1.have been planted 2.are planted选哪个?为什么? when are trees often planted改为主动语态when __ people often___ ___? they planted trees on ___ side of the playground .A.each B.every 一道句型转换题 英语After planting the trees you should water them often.The trees ___ ___ ___ often after they ___ ___.should be watered；are planted.写 need your watering; are planted. There are many trees planted how many trees have you planted ——----.becausei was ill a.no one b.none c.neither d.either They planted trees last spring.下划线trees 3Q There are twenty more trees to be planted.There are _______ _______ trees to be planted. the students planted trees on the farm 对 planted trees 提问 So far we ( ) about 1000 trees. a.planted b.have planted c.have been planted d.to plant说明原因 More trees——around our city every spring.A.plant B.planted C.are planted D.were planted Many trees and flowers___in our city every year A planted Bare planted C were planted D plants In the last years ,workers_ milions of trees.A.have planted B.planted.C.has planted.D If more trees are planted,our city will be more beautiful.为什么用are 过去式planted by the time he showed up ,we （）ten trees A have planted B had planted How many trees _____ in the last two years Awere pianted Bplanted Chave planted Dhavebeen planted