下面的空中应该填什么啊big trees ——（cut）down inmountains every.then youn
下面的空中应该填什么啊
big trees ——（cut）down inmountains every.then young ones_______(must,plant)so that we __always____(can,have)enough wood.we have to take good care of mountains so that they ___always___(may,cover)with growing trees
big trees ——（cut）down inmountains every.then young ones_______(must,plant)so that we __always____(can,have)enough wood.we have to take good care of mountains so that they ___always___(may,cover)with growing trees
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1年前5个回答
你能帮帮他们吗