The announcement ______all flight were cancelled because of bad weather greatly distressed the waiting passengers.

―The river runs clear.―We all appreciate the importance the local government has______ the environmental protection.

What’s ______name—-______is Mary.

I don’t think it easy, even if we work hard, the South Korea and the North Korea to sit downto talk at present.[ ]

So difficult ______ it to work with him in the same company that I determined to find another job.