— Excuse me, what’s this in English?— It’s _____ eraser.A. a B. an C. the
Jenny _________ her mother, and her mother _________ very young.
Please remember _________ the window when you leave.
I don’t like potatoes __________.
One of the two sisters ________ me.
The number of the students ________ 743. A number of the students _________ boys.