一、单项选择（共10小题，每题2分，共20分）
1. A teacher should make his lessons simple enough for the students to _________.
A. take off B. take up C. take in D. take down
2. We are happy to know that our teacher will be _______ to headmaster.
A. lifted B. raised C. encouraged D.promoted
3. Our family makes it a ________ to turn off the television at mealtime and try to speak as little as possible.
A. privilege B. pressure C. procedure D. principle
4. I left for the office earlier than usual this morning _______ traffic jam.
A. in line for B. in case of C. for the sake of D. at the risk of
5. It was Tom as well as his friends that ________ of letting out the secret.
A. was suspected B. were suspected
C. was suspecting D. were suspecting
6_______ of all the staff, I'd like to wish you a happy retirement.
A. In honour B. In place C. On behalf D. On account
7. In order to ________ consumers, it's extremely important to consider what information should be included in the advertisement.
A. adapt to B. apply to C. contribute to D. appeal to
