单选题：Mary is looking for the book she lost yesterday

题目内容：

Mary is looking for the book she lost yesterday A．trying to find
B．trying to read
C．trying to buy
D．trying to borrow

参考答案：【答案仅供学习，请勿对照自行用药等】

答案解析：

Our English teacher is sick．

Our English teacher is sick．A．fat B．weak C．ill D．mad

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