The plan was so shallow and impractical that no serious _________was ever made to realize it.

New ________ show that the economy of our country is continuing to grow.

In the time of social reform, people’s state of mind tends to keep       with the rapid change of society.

To make members of a team perform better, the trainer first of all has to know their _____ and weakness.

—Did you remember to give Jenny the money?　　　　—Yes. ________ I saw her, I'm sure.