—This is ______ eraser.—______ her eraser.A. a; It’s B. an; Its C.an; It’s
Do you enjoy _______ pictures outside?
Lao She is famous _______ his play _______ a writer.
—_______ do you talk to your teacher at the School Air? —Once a week.
A library with two hundred thousand books _______ to the school last year.
The customs in America are different _______ those in China.