一、单项选择
1. What ______ useful storybook! And______ book is popular with teenagers.
A. a; a B. an; a C. the; the D. a; the
2. —Excuse me. Is this ______bike, Alice?
—No, it’s not______.
A. yours; mine B. your; mine
C. your; my D. yours; my
3. There are three______assistants in the______shop.
A. women; shoe B. woman; shoe
C. woman; shoes D. women; shoes
