题目

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 答案：C 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。

查看本题答案和解析