ExercisesContentsDownloadsUNIT 16: EVERYDAY PROBLEMS 日常问题Question 1 / 21可以返回上一题修改答案,完成全部题目后查看解析VOCABULARY · B1+ Exercise 1 · Exercise 1Choose the correct option for each gap.Nick experienced a painful back ______ when he tried to lift the piano.AbruiseBankleCsplinterDspasm← 上一题保存并进入下一题 →