I must plant more trees 如何改为否定句
I must plant more trees 如何改为否定句
sarah can plant trees 改为否定句
I must have more vegetables. 改为否定句
we began to plant trees at nine 改为否定句
请问:There will be more trees in the future.如何改为双重否定句
They wanted to plant trees.改为否定句 一般疑问句 并做两种回答
we began to plant trees at nine 改为否定句 为什么呀
we must plant more trees to ____ our planet greener.
I can plant trees.改为一般疑问句
将下列句子改为被动语态.1.We must plant more trees this year.2.Can they
I planted some trees last week.(改为否定句)
I can plant trees改为一般疑问句,为什么不用Can you plant trees?来回答呢?