题目内容
句型转换。
There are some old sheep on the farm.
(改为单数形式的句子)There is ________ old ________ on the farm.
答案:an;sheep
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题目内容
句型转换。
There are some old sheep on the farm.
(改为单数形式的句子)There is ________ old ________ on the farm.