-What’s wrong with Tom? He didn’t talk to all the afternoon.-Oh, he failed in his exam.
---- May I sit here? ---- _________. It’s for Lily.
The food smells _____. I don’t like it.
There ________ more buildings in ten years.
-Tom’s father is tall. - ____ _.
-What’s ____ _matter with you? -I have ____ _ toothache.