plant more trees to make our city greener为什么后面接to

we must plant more trees to ____ our planet greener. And you must also promise to plant more trees and flowers to make it more b______ . Let's plant more trees to make our livingLet's plant more trees to make our living environment more beautiful什么意思 people plant more and more trees to protect the earth该被动 We should plant more trees to make our city more b( ) plant more trees to make our city greener为什么后面接to 啥意思?we ought to plant more trees to reduce the green house effect Chinese farmers are （ ）（）best to plant more trees to stop the desert from expanding More trees ___(should plant) in China. We plant more trees to make our earth more beautiful.to make our earth more beautiful.划线提问 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 句型转换 We should plant more trees to protect the ea句型转换We should plant more trees to protect the earth.（改为被动语态）More trees _ _ _ to protect the earth. We should plant more trees to make the air_____.(clean)急 we are going to plant more trees next year改为被动语态. We should plant more trees and flowers to make cur city_(beauty) beauty 怎么变 为什么 Would you please give me tow more trees to plant?(同义句转换）=Would you please give me _____ ______ trees to plant? l need__students to help me to plant trees tomorrow. A.five;more B.five;another C.more;fiveD.five;many More and more trees need ___in the world.A.planting B.to plant C.be planting D.be planted