题干

Traditional exercises like sit-ups, press-ups and pull-ups are great for strengthening the body, ________ you do them properly.
A.sinceB.unlessC.assumingD.considering
上一题 下一题 0.4难度 单项选择 更新时间:2018-01-12 05:25:39

答案(点此获取答案解析)