单选题：She left the reception early because she （　　）get up early th

题目内容：

She left the reception early because she （　　）get up early the next morning. A．needed
B．might
C．used to
D．had to

参考答案：

答案解析：

If you happen to （　　）my lost papers while you’re looking for

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Before you mail this letter, you should check again whether you have （　　） it or

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