I knocked on the door several times but answered, so I left.

We’ll be back for our school’s _____ anniversary ceremony(周年庆典). –I see. That means you’ll have a get-together with your classmates in ___ years.

It’s an English class. Please don’t _____Chinese.

Look. The dog is coming_____the little boy. [ ]

The reason_____he gave for his coming late was _____his car broke down on the way.