题目内容
— Is Eric in the next room?
—Well,it’s hard to say. But I heard him _____loudly when I passed by just now.
A. sing B. to sing C. sang D. singing
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题目内容
— Is Eric in the next room?
—Well,it’s hard to say. But I heard him _____loudly when I passed by just now.
A. sing B. to sing C. sang D. singing