Safety in school has been of great concern because of the frequent reports ____ students got injured or killed while in school.

This is ______ pencil box.

What a big storm last night!—Yes. I was doing my homework. Suddenly, all the lights in my house _______.

During the holiday I visited Shaoling Temple is in the west of Zhengzhou.—Really? It’s a place you can relax.

The earthquake ____ when I ____ some cleaning.