I study in High School Affiliated to Southwest University. There are __________ students in our school. Nine ______________ of them are girls.

Hello, Tim! What’s that?—- It’seraser.

It rains ______ in the south of China in summer.

I called you yesterday afternoon, but you were not at home.–Sorry, I _________ some shopping with my mother then .

We should keep the door and the windows _________ to get quiet because it’s too noisy outside.