中级

单选题 17选择__________

参考答案:C进入在线模考
航班推迟,并由原文“I am flying for the first time.”可知应该在飞机场。
Question Seventeen
It's too bad that our flight is delayed for an hour. Our plane is supposed to leave at 9: 10, but now it's already 10: 00. Let's go to Gate 2 and walt for the check-in. I'm a little nervous. I am flying for the first time.