It's 7：00 a．m.The air is fresh.It's a good time ________. A. exercise B. to exercise C. exercising D...
2022-11-03 01:57:02 34次 2017-2018学年八年级英语人教（上）Unit 8单元检测 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
It's 7：00 a．m.The air is fresh.It's a good time ________.
A. exercise B. to exercise C. exercising D. to exercising
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