It was almost eight years Iater _____ the young man got his doctor’s degree and became an engineer.

The little boy was six years old. He is _____to go to school.

How often do you _________ the dictionary when you are doing reading? —-Not very often. Only when I find it is necessary.

63The plan for a new airport have been scrapped __________ an extension to the old one

Teachers enjoy any progress their students have made and will feel ____________ them．