单选题：You should know better than__________your little sister at

题目内容：

You should know better than__________your little sister at home by herself． A．to leave
B．1eaving
C．to have left
D．1eft

参考答案：

答案解析：

Which of the following may lead to family quarrels accordin

Which of the following may lead to family quarrels according to the passage?A．U

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听音频，回答以下问题。Which is the largest ethnic group in San Francisc07A．The blacks． B．

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已知“装”字的拼音输入码是“zhuang”，而“大”字的拼音输入码是“da”，则存储它们内码分别需要的字节个数是（　　）。A．6，2 B．3，1 C．2，2 D

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Mrs．BakerA．A 10%increase is already too much，and l’m here topersuade then tosee

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