There is no doubt the world climate has been changing in recent years.A. thatB. whatC. if

发布时间：2020-08-16 19:39:46

There is no doubt      the world climate has been changing in recent years.
A. that
B. what
C. if
D. whether

网友回答

(答案→)A. that
B. what
C. if
D. whether
解析：考查固定句型：There is no doubt that 毫无疑问做某事。句意：毫无疑问世界气候在最近几年一直在变化。故选A。
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