1. Cathy is taking notes of the grammatical rules in class at Sunshine School，where she English now.
A. studies B. studied C. is studying D. was studying
[解析]考查动词时态。根据时间状语now和主句的时态可知用现在进行时，选C。
2. The unemployment rate in this district from 6% to 5% in the past two years.
A. has fallen B. had fallen C. is falling D. was falling
[解析]考查动词时态。根据时间状语in the past two years可知用现在完成时，选A。本题较易。
