t cases, college graduates don’t mind what job they will do _______ it is one where they can earn money to support themselves.

She ____ his number in the phone book tomake sure hat she had got it right.

If you’re ________about anything, phone my office. [ ]

Many scientists have believed that theremay be a _________of life on the Mar

Some problems ___ in the lecture by Mr.Smith are very popular in our school, such as the waste of electricity, water and food, etc…