ExercisesContentsDownloadsUNIT 17: TECHNOLOGY: MANAGING YOUR DEVICES 科技:设备管理Question 1 / 21请完成全部题目,最后查看答案与解析VOCABULARY · B2 Exercise 1 · Exercise 1Choose the correct option for each gap.The technician tried to _____ the problem and find out what was wrong.AupgradeBoverheatCupdateDtroubleshoot保存并进入下一题 →