It was quite accident that I met him; he was homeless and rags at that time.A. by; inB. on

发布时间：2020-08-16 08:39:58

It was quite     accident that I met him; he was homeless and     rags at that time.
A. by; in
B. on; in
C. at; by
D. in; in

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(答案→)A. by; in
B. on; in
C. at; by
D. in; in
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