—What’s up? Could you tell me what’s ?—Something is wrong with my MP4. I will get it after school.
—Listen! Someone is playing ______ piano.—Wow! ______beautiful music! I like it very much
Our teachers always give us good advice. We should follow _________.
More money ____________ when we use both sides of paper.
---Where were you this morning? ---I _____________ in the supermarket.
Some animals can even see things ____________ in the dark.