It was a time the killer whales helped the whalers catch the baleen whales.A. whenB. thatC

发布时间：2020-08-16 09:05:28


It was a time     the killer whales helped the whalers catch the baleen whales.
A. when
B. that
C. then
D. which

网友回答

(答案→)A. when
B. that
C. then
D. which
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