23．Robert made a call to his parents yesterday afternoon. To his disappointment, of them a

发布时间：2020-08-15 02:52:22


23．Robert made a call to his parents yesterday afternoon. To his disappointment,     of them answered it.
A. either
B. both
C. none
D. Neither

网友回答

A. either
B. both
C. none
(答案→)D. Neither
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