– It’s raining, Kathy. Please ________ an umbrella with you. -- Thanks. I’ll return it to you when I ________ next week.
The math problem is _______ difficult and _______ of them can work it out.
_______ of the students in our class _______ interested in micro blogs (微博) on the Internet.
_______ great fun it is to play games on _______ QQ!
----Kathy, what do you think of my painting? ----_____________.
----I came to your office yesterday morning, but nobody was in. ----Oh, we__________ a meeting in the meeting room.