Thelibrary_________Ioftenborrowbookswasbuiltin1980.[ ]

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

________ is this pen? — It’s white.

The boys when the teacher came in. So she was very angry．

A: Listen! Is it Tina singing in the next room?B: No, it __________ be her. She is still in Shanghai.