his teachers were quite satisfied with his performance, he thought he ____ better if he had tried harder.

Many young people took part in trees on Tree Planting Day.

I have trouble _____ my new computer.—–Don’t worry. I’ll show you how ____it.

I don’t think he will come to our party, _____?

It’s generous _________ them to donate money toUNICEF. They think it important__________ them to help poor children go to school.