He ofthen helps her mom do the housework.（同义句）He often helps her mom do the housework.（同义句） He often____ her mom ____ the housework.

He ofthen helps her mom do the housework.（同义句）He often helps her mom do the housework.（同义句） He often____ her mom ____ the housework.
He ofthen helps her mom do the housework.（同义句）
He often helps her mom do the housework.（同义句）
He often____ her mom ____ the housework.

He ofthen helps her mom do the housework.（同义句）He often helps her mom do the housework.（同义句） He often____ her mom ____ the housework.
填写:helps;with
help sb do sth=help sb with sth
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helps with
望采纳