the trees we planted have grown tall的先行词和从句

trees in many we the planted park连词成句 We planted many trees on the hill变成被动语态 We on the farm and watered planted trees 什么意思 by the time he showed up ,we （）ten trees A have planted B had planted twenty trees had been planted by the time we left为什么要用had been planted 这个时态而不是had planted 动名词练习题7.The young trees we planted last week require ________with great care. W( ) their help we planted more trees a( ) the school.首字母 the trees we planted have grown tall的先行词和从句 what happened to the young trees we planted?thwhat happened to the young trees we planted?the trees (would have grown) well,but I didn't water them.为什么要用括号里的词组? the students planted trees on the farm 对 planted trees 提问 In the pash few years,we have had thousands of trees ——around our school.A.plant B.planted C.planting D.being planted We planted trees last weekend改为特殊疑问句 I suggested that we ( )trees in the park in springA.planted B.to plant C.planting D.plant we played football after we____ the trees.A.plant B.had plantedC.has planted 为什么选B? When should we plant the trees They (〉in spring.Aare plantedBmust plantCneed not plantDmust be planted We planted many trees on()side of the street on Tree Planting DayA.both B.either C.every D.all The trees ( )we planted five years ago have grown very big A,that B,whome,C,by which D,why So far we ( ) about 1000 trees. a.planted b.have planted c.have been planted d.to plant说明原因