Unless they quickly _______________ their mistakes, they will miss a unique opportunity to settle the problem once and for all. (face)
查看答案
The students were instructed to do the experiment carefully and to ________________ their reports at the beginning of next week. (turn)
I didn’t travel much when I was younger, but I’m certainly __________________ lost time now.
Successful people are the ones who __________________ things for the rest of the world to keep busy at.
Seeing that more and more people are concerned about the quality of ______________ environment, John is considering starting an interior decoration business. It seems certain to earn ________, but he does not yet have enough money __________________ it.