I feel it hard to keep up with my classmates in study and sometimes I lose heart. But whenever I want to ________ , my teacher always encourages me to work harder.
-_______ I borrow your camera? I want to take some photos. -Sure, here you are.
-Our school is going to hold the_______ Culture Festival. -Yes! And we can take part in_______ activities.
Listen! There is a whisper from_______ box. Is it_______ dog?
--- Could you tell me? --- Certainly. In 20 minutes.
—Driving less, walking more is good for our health. — So I’d rather ________ an hour’s walk to work than ________ driving a car.