I must plant more trees 如何改为否定句

I must plant more trees 如何改为否定句 we must plant more trees to ____ our planet greener. The plant is dead.I _____ more water.A.will giveB.would have givenC.must giveD.should have given选择原因? And you must also promise to plant more trees and flowers to make it more b______ . 英语.主动语态变被动语态的题.We must plant more trees next year. we must plant more tress so that our city may bcame greener 改为同义句 we must plant more plants and trees .the birds and animals can live in them 合并为一句we must plant more plants and trees ____the birds and animals ____live in. I feel I must spare no efforts to do my bit.First,I decide to help plant more trees to make our city more beautiful.Second,I should obey seven nos and be good at learning from others.我看了怎么这么别扭啊...总觉得不对...帮忙看看哪 the plant is dead ,i should have given it more water.= the plant is dead,i was ___ ___ ___it more water 同义句转换 we must plant more plants and trees .the birds and animals can live in them 合并为一句 If we want to make our city() ,we must plant more trees.A.is greenB.is greenerC.greenerD.to green In order to make our city green ____ A it is necessary to have planted more trees B many moretrees need to plant C our city needs more trees D We must plant more trees 将下列句子改为被动语态.1.We must plant more trees this year.2.Can they plant vegetable in winte将下列句子改为被动语态.1.We must plant more trees this year.2.Can they plant vegetable in winter?3.The bad weather made them give up 帮忙翻译一句话：I want to plant more bushes to break up the garden. in order to make our city green,_______a.our city needs more treesb.we must plant more trees c.it is necessary to plant many tree选b,可我觉得都可以呀, In order to make our city green,______.a.our city needs more treesb.we must plant more trees c.it is necessary to plant many tree.c为什么不可以 I must have more vegetables. 改为否定句 I think we must p__ playing football more