Proper supervision can make____ more effective.

--The light in the office is still on. --Oh,I forgot ().

I certainly didn’t appreciate （ ） when I made mistakes.

The underlined phrase “function below their ability shown by test scores” means the under-achievers ________.

The generation () makes it difficult for parents to understand their children’s opinions.

The writer thinks that over-achievers and under-achievers mainly differ in ________.

Scarcely had they settled in their seats in the cinema （ ） the film began.

According to an International Energy Agency study, if consumers chose those models that would save them the most money over the life of the appliance, they’d cut global residential power consumption (and their utility bills) by 43 percent.

It wasn’t such a good dinner () she had promised us.

After （ ） the numbers in every possible combination, we finally hit on a solution.

After （ ） seemed to be an endless wait, it was finally his turn to have the interview.

It （ ） that the jewels had been stolen by a traveler.