-----What has made him upset recently?-----_______ alone to face a troublesome milk case.

Haier Company produced a new type of refrigerator of high quality and pretty appearance; its only ___is that it takes up too much room. 

The tomato juice left some _____ on a customer’s skirt, which made the waitress nervous.

On yesterday interview, he didn’t make a(n)_________at all; what’s the matter with him?

The article gives several ______ about why we should build up the harmonious society.