On October 16, Lu Yitao was appointed director of 2016 Spring Festival Gala, which was not the first time he ________ in charge of the CCTV gala.

There are two rooms on the first floor, _____ is used as a guest room .

____ bike is this—I think it’s Sally’s.

The terrible accident is under investigation. — Actually, quicker action _________ those workers trapped in the mine.

_____ crying sadly, he raised his head and let tears stream down his face on purpose. [ ]