’t believe that Jeff _______ havequarreled and fought with his boss– Well, if one _______ ask for trouble, it just can’tbe helped

Can I help you, sir—Yes, please. Do you have any books on cooking—There are only a few，______.

We don’t know anything new about Mary. I haven’t _____ her ______ last year.

Is your aunt a teacher –Yes, she is. She _______ junior students.

When he was a student, he would get up early and work late into night, believing “______________”