— What is that?—It’s _______ eraser, and it’s _______ red eraser.A. a; a B. an; a C. an; an
— Oh, this cartoon book is very interesting. Where did you buy ____? I want to buy _____, too. — In the bookshop near my home.
— We can sell the waste for recycling such as glass, paper and metal.— ____
We should buy things ____ locally.
It’s impossible ____ a taxi on such a rainy day.
____ to the meeting on time tomorrow. It’s very important.