— What is that? —It’s _______ eraser, and it’s _______ red eraser. A. a; a B. an; a C. an; an
I have some problems with my health. Can you give me some _______?
—Whose model plane is it? —It’s Jack’s. He made it by _______.
—Excuse me, can you give me a _______? —Sure.
—_______ I borrow your English book? —Yes, of course you _______.
Do you prefer _______?