Lisa may be too busy to attend your partybut she will try to __________ something out.

___ I know he will stay here for half a year

Though they are _______ little children, they have worked out _______ many difficult math problems.

If there are _____ people driving, there will be ____air pollution. — Yes , theair around us will be fresher and cleaner.

Andy gets 100 points again. He is the us.— I don’t agree. The key to his good grades is his hard work, not good luck.