In no place of China little about the economic development nowadays.

Why is the classroom so dirty?——Sorry, Sir. It _____ yesterday. We forgot to do it.

Lisa, are you going to play ______ violin after school this afternoon? —No, and I’m going to play ______ chess with Tina.

The goldfish move very _____ and sleep ______.

They’re late. The film _____ for 5 minutes.