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题文

---Alice, what’s wrong with you? You look so worn out.
---Nothing serious. I        my new house all day and I’m afraid I won’t finish until tomorrow afternoon.

A.have whitewashed B.am whitewashing
C.have been whitewashing D.shall be whitewashing
科目 英语   题型 单选题   难度 较易
知识点: 动词语态
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