ExercisesContentsDownloadsUNIT 3: AIR TRAVEL 航空旅行Question 1 / 30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.They searched my bag at the _____.Apassport controlBcheck-in counterCsecurity checkpointDbaggage claim← 上一题保存并进入下一题 →