we must plant these trees 改成一般疑问句

we must plant these trees 改成一般疑问句 we must plant more trees to ____ our planet greener. 请翻译谚语Friendship is a plant we must water. we must accept finite disappointment,but we must never lose infinite hope.whose words are these? We must water these young trees ofen.(改为被动语态) we must return these m___to the library on time 英语翻译We must remember these places —— —— We must learn how to chang these problems into challenges. 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 stop doing these things.划线部分提问,划线部分,these things If we want to make our city() ,we must plant more trees.A.is greenB.is greenerC.greenerD.to green 把下列句子转化成被动语态1.We must plant more trees.2.We should dig a large hole.3.When did Lu Xun write these books.4.Did they build the bridge in 1998?5.The farmers don’t grow apples on the farm.6.I saw a mouse run into the room.7.Mum we plant trees every we plant trees every we plant trees every We must do something to protect our environment.We should use these bags（ ） plastic bags. 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.