Question

－Could you tell me ________ at nine o'clock last night? －Er,I was washing clothes． [　　] A． what you were doing B． what were you doing C． what you are doing

Answer 1

答案：A
解析：

本题考查宾语从句的用法。宾语从句中从句的语序应是陈述句的语序，排除B项。题干中的状语at nine o'clock last night用于过去进行时中，所以选项C错误。因此选A。