根据汉语意思，补全句子，使句意通畅。

1. My husband is using my car,so I have no means of_______(交通).

2. Don't worry. I'll book you the_______ (航班)to Bei jing.

3. We took a tour by_______(客车)to the Summer Palace.

4. We made our_______(启程)in the early morning.

按照领导干部操办婚丧喜庆的报告和备案制度的要求，领导干部在操办婚礼等喜庆事宜的，须提前（）个工作日提交《领导干部操办婚丧喜庆事宜备案表》

A.5

B.一周

C.10

D.15天