Lian Zhan with his visitors _____ from Taiwan _____ paying his first visit to the mainland of China. [ ]

My father usually tells me the story of Chang’e ____the evening ____Mid-autumn Festival.[ ]

There will be _____ pollution this year than last year.

Do you want to be healthy? ______. Smiling can help you stay healthy.

Sorry, Jim isn’t in right now.—Can you tell him to ring me up if you______ him? [ ]