Mr Black is a hardworking engineer. He often stays up late _____ night. [ ]

Listen! Jane is singing in the next room.— It be her. She has gone to New York.

Let’s go to bed. It’s _____nine thirty. [ ]

spending all the time here waiting , let’s go and look at the animal market for a while.-That’s a great idea. I’d like to.[ ]

What’s the weather _________ in Beijing?——It’s terrible in summer, too hot and humid.