We’ll have a picnic in the Summer Palace this Sunday it rains or it’s very cold.A. sinceB.

发布时间：2020-08-16 08:52:18


We’ll have a picnic in the Summer Palace this Sunday     it rains or it’s very cold.
A. since
B. if
C. until
D. unless

网友回答

A. since
B. if
C. until
(答案→)D. unless
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