—Is _____ your backpack?--- No, _____ isn’t. It’s ______ backpack.
_______ camera is not expensive as_______, but it works well, too.
-Why are you in such a hurry, Mike? -There_______ an NBA basketball game in ten minutes.
-_______ weather it is! We can't go boating on Jiyang Lake. -Don't worry. Let's go to Zhangjiagang Library.
It _______ me only twenty minutes to get to Guangming Theatre on foot.
-_______ I borrow your camera? I want to take some photos. -Sure, here you are.