You should make an ____ plan in case anything unexpected happens. A. active B. alternative C. conven...
2023-02-05 07:07:22 127次 20102011学年黑龙江省高一下学期期末考试英语题 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
You should make an ____ plan in
case anything unexpected happens.
A.
active B.
alternative C. convenient D. economic
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