These new ideas which need ________ sound fine.
Though the suspect refused to admit that he had stolen the precious diamond at first, he ________ and admitted everything when he was shown the videotape.
—Does he work hard at his lessons?—Yes, he ________ no effort, as far as I know.
A smile ________ the mother's face when the son walked onto the platform to receive the prize.
The sale of the company's new product is good. It has ________ two million dollars so far.
—Jack, this is the third time that you have been late this week.—Sorry, sir, but I was ________ for 15 minutes on the way here in the traffic jam.