All people, whether they be rich or poor, strong or weak, privileged or deprived，are interdependent, and _______ the common task of seeking to achieve mankinds full potential

(单选、25分) Do you want to change this lamp for__________or do you want your money back

1_____education is the instruction that occurs when the instructor and students are separated by distance or time,or both

Are you going to borrow a dictionary or a magazine ? -- ____.

29．__________ when you are on the bus or bike．

Like with anything new, you should your_________ physician before taking Colon Health Cleansing or any other vitamin.

Either you or one of your students ______ to attend the meeting that is due tomorrow.

Duty is an act or a course of action that people __________you to take by social customs, law or religion.

—Hurry up, or we’ll be late.—Take your time. it’s just ______ short distance from here to ______ cinema.

In speed reading, looking at your watch every 5 or 10 minutes ______.

Do you want to change this lamp for__________or do you want your money back?