These young trees must_____.The shoes need_____Alook after well; to mend B .be looked after well; mending C.be looked well;mend D.be looked after well; to be mend请讲出详细解题思路,如果不麻烦,请详细讲一下need的用法

We must water these young trees ofen.(改为被动语态) These young trees should be taken good care of.、这是一般现在时的被动语态吗 these young trees should() A.be taken care B.be taken care of 选哪个,为什么? 1.We must water these young trees ofen,(改为被动语态). These young trees ______(water) well every day.You needn't worry about them. These young trees ______ ______ _____ good ______ _______.这些小树应该受到细心地照料 these young trees ____every two days 答案是shoud be watered are watered 可以吗 英语翻译these young trees require _____ ________ _________ _________ .4个空格 These trees are 什么 high I don,t know who broke the window还有个句子翻译一下.IT is their buty to look after these young trees These young trees must---------------A look after well Bbe look after well C be looked well after Dbe looked after well ( )And put the young trees.( )Then water the trees the trees 和these trees有什么区别? These are apple trees(改为单数句) 求These are trees的中文, There are many young trees on()side of the street young trees should___(water)as soon as possible怎么填 young trees ____（water） well every day