In most American airports, suitcases are ______ . ()
（A）always x-rayed before they are put on airplanes
（B）not allowed on airplanes unless you have a ticket
（C）given tickets to get on airplanes
（D）not checked unless they are carried on airplanes
参考答案
继续答题：下一题
更多大学英语备考试题
- 1Would you please ________ a piece of paper and a pen?()
- 2We’ll take () trip to Hangzhou tomorrow.
- 3I never really had any problems with change. On the contrary, I welcome change ______.
- 4The library () we’ll visit next week is not far from here.
- 5I don’t________to know much about American country music but I know what kind of songs I like.()
