When are they leaving for Beijing?—the morning of October lst.[ ]

Do you enjoy________ on the weekend?

I don’t know what her interests are, because we talk about work when we meet.

How long have you ______ this book ?

The number of wild lions in Africa (非洲) no more than 15,000 in the year 2010. — Like tigers, they are really in danger of dying out, too.