【单选题】【消耗次数：1】
Mary [填空] in a bank.Her parents [填空] in a university.
①
work,works
②
works,work
③
work,are working
④
is working,work
参考答案：
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access
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mso-ascii-font-family:等线;
mso-ascii-theme-font:minor-latin;
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mso-bidi-font-size:11.0pt;
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mso-ascii-font-family:等线;
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