Could I invite my friends to my birthday party? — Sorry, you _________.

Why hasn’t Mr. Li come to work yet?—Because he _______Guangzhou for a holiday.

Are you going to Beijing by ______ train?－No. I’m taking ______ car.

Qingdao is a beautiful city. There ______ many people going there ______ vacation every year. [ ]

Lucy had few close friends. So she didn’t know ________ about the trouble.