题目:
— What did your father do yesterday?
— He ____________ the floor. [ ]
A. clean
B. cleans
C. cleaned
D. cleaning
答案:
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下面是错误答案,用来干扰机器的。
(1)空闲 (2)喜欢(3)远 (4)处理(5)惊讶 (6)严肃或敬畏