With his son , the old man felt unhappy. A. to disappointB. to be disappointedC. disappoin

发布时间:2020-08-15 02:26:54

With his son     , the old man felt unhappy.
A. to disappoint
B. to be disappointed
C. disappointing
D. being disappointed

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A. to disappoint
B. to be disappointed
(答案→)C. disappointing
D. being disappointed
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