Julie didn’t leave her office _____ the police arrived.
—The boy is ________for his age. —Yes, I was much _______when I was his age.
—What’s this? —It’s a machine which was invented in __________century in China.
—Look, an old man is in the middle of the road. It’s too dangerous. —Let’s go and help him go __________the road.
—Can you go to the movie with me this afternoon? —Sorry. I’ve __________appointment with my dentist. I’m going to see him.
If you want to make yourself _____, you should speak clearly and slowly.