_______ did you learn ice skating?—For three years.[ ]

Do you think Apple’s new video iPod will bring new fans to TV shows?—It’s certainly a risk butit’s a great one.

I’d like you to tell me something about Shennongjia. -I’m sorry, but neither Jack nor I ________ there.

Are you going to Beijing by air?— It’s fast, but expensive. So I’m not sure. I _____ take a train.

He has ___________ daughter_______ Mary.