－Derrick, don't you think you should take a vacation? Even one or two days would be fine.－There's           . There's too much work.

During the ________part of the meeting, they mainly discussed the solution to the problem.

To be sure, the new cut in interest rate（利率）is _______ to improve economic performance in all these fields.

 If you are _____ about Australian cities, just read the book written by Dr Johnson.

What made the whole nation sad was that more than 100 miners were buried      in the underground coal mine.