It was nothing but his ten years of hard work that _______ his success in his research.

ents have children help with housework, the children will feel needed. , they will learn to take care of themselves.

Our teacher looked here and there on the playground ________looking for something

The plane is due to take off at 8:00 from the airport.— ______ we can’t get there in time?— Try to take another flight then

It’s clever _____you to help me work out the difficult math problem. Thanks!— You are welcome. Now it’s easier _______you to understand it.