There are some children helping the old 改为单数句 There are some boxes of bananas 改为单数句

There are some children helping the old 改为单数句 There are some boxes of bananas 改为单数句
There are some children helping the old 改为单数句 There are some boxes of bananas 改为单数句

There are some children helping the old 改为单数句 There are some boxes of bananas 改为单数句
There is a child helping the old.
This a box of banana.
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