1. We’ll have a picnic in the park this Sunday _____ it rains or _英语解答

1. We’ll have a picnic in the park this Sunday _____ it rains or it’s very cold.
A. sinceB. if C. unless D. until 答案为什么是D?难道是标准答案变得“不标准”?

人气：442 ℃　时间：2019-10-10 08:21:16

解答

应该选C,答案出错也是常有的事