Don’t worry, sir. I’m sure I can run to catch up with them.

The country needs a _____ government. We have had three Prime Ministers in a year.

sk given by the boss is ____ done, and we are to sum up our working experienceafter its accomplishment

______ difficulties we may face in our life, we should keep calm and take measures to get them over.

There is no ________ over (在……上方) the river. We need to cross it by boat.