The salesman finds it easy to take in old ladies.
Before my father moved off, he told me again and again that I should ______ the rules and regulations of the school.
Measures have to be taken to teach young people how to ______ themselves both in family and in school. They don’t know the basic manners.
You have to learn how to be a ______ first, and then to be a student.
______ the traffic jam, he didn’t catch his plane, which was reported to have crashed soon after it took off.
Mr. Green is said _____ an experiment to prove the new method of solving the problem when young.