. It used to be thought the Earth was flat.A. asB. whenC. sinceD. that

发布时间：2020-08-16 07:22:32


. It used to be thought      the Earth was flat.
A. as
B. when
C. since
D. that

网友回答

A. as
B. when
C. since
(答案→)D. that
解析：可联系答.案.网客服索取。
以上问题属网友观点，不代表本站立场，仅供参考！