When the door-to-door salesperson (come)____ yesterday, Mary (not hear)__the doorbell because she (dry)___ her hair with her electric hair dryer. A. came/ didn't hear/ was drying B. was coming/ wasn't hearing/ had dried C. had come/ didn't hear/ had been drying D. came/ hadn't heard/ dried
đã hỏi
30 tháng 11, 2020
trong Tiếng Anh lớp 12
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linhchi2002
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(1.3k điểm)