A red sky in the morning to be a sign of bad weather. A. saysB. is sayingC. has saidD. is

发布时间：2020-08-17 14:28:33

A red sky in the morning      to be a sign of bad weather.
A. says
B. is saying
C. has said
D. is said

网友回答

A. says
B. is saying
C. has said
(答案→)D. is said
解析：此句也可说成 It is said that a red sky in the morning is a sign of bad weather.
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