Who is the man over there Is it Mr. Wu— It ________ him, but I am not quite sure.

（2014年北京市西城区高三5月二模试题）28. It was unusual that such close neighbors ______ not know one another.

Tom, why not stop _________ a rest— Oh, no, mum. It’s so interesting that I can’t stop _________ the kite.

Are __ Kate’s __

Since the shop_____down, all the T-shirts are sold at half price.