第5题: [单项选择]Guest: Clerk: Certainly. Do you have a reservation Guest: Yes. The name is Morales. Mr. and Mrs. Morales. Clerk: Here we are. For five nights. Could you fill in the registration card, please And I'll need your credit card. 参考答案:C 答案解析:从已知对话内容判断,客人要求登记入住,四个选项中只有C项I'd like to check in,please符合习惯说法。