- 易错题（冠词）：Everything comes with ____ price; there is no such __D__ thing as a free lunch in the world. A. a;a B. the;/ C. the;a D. a;/
- 易错题（介词）：The woman pulled her hat low down __D__ her eyes in order not to be recognized by the angry crowds. A. under B. below C. on D. over
