______young trees must be planted on the hill
______young trees must be planted on the hill
详细说明为什么.More trees ______ on the hill .A,must be planted B,b
We planted many trees on the hill变成被动语态
the boys planted some trees on the hill yesterday.改为同义句 some
( )Twenty more trees will be planted on the mountain.
1.Many _______ trees should be planted on the mountains.
Many ____ trees should be planted on the mountains.
()being march 12th,they planted trees on the hill.
改写句子 被动语态1.She has planted many trees on the hill.2.They are
We planted one hundred trees on the hill three years ago.One
Will there be any trees on the hill?否定回答
More trees must be planted every year.(改为一般疑问句)