题目内容
在空格上填上一个恰当的词，使句意完整
Who's________duty today, you or I?
Tom thought a moment and put ________his hand.
根据上下文在空格上填上一个恰当的词
My uncle works on a farm. He is a ________.
He is a ________. He writes many books.
根据句子的意思，在空格上填上一个恰当的词。
He likes to listen ________ country music.
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