Mr. Wang is leaving ______ Guangzhou next week. [ ]

I think important for us to learn a foreign language well.

Hello, Sandy. This is Jack. What are you doing?—I’m watching a match. It started at 7:00 p.m. and _____ on for another an hour.

I called you last night but you were not in. — Yes, I dinner with my parents in the restaurant then.

What way can you think of ______ the mice in the room?