- 试题详情及答案解析
- The students busily when Mrs White went to get a book she in the classroom.
A、had written; left
B、were writing; has left
C、were writing; had left- 答案：C
- 试题分析：句意：当怀特夫人去取她忘在教室的书时，学生们正在忙碌地写着。A、had written，已经写，过去完成时，left ，过去式；B、were writing , 正在写，过去进行时，has left，现在完成时；C、were writing，过去进行时，had left 过去完成时。When引导时间状语从句。She had left in the classroom.。定语从句，先行词是book。故选C
考点：考查动词时态。