Question

---Could you let me know ________ yesterday ?

---Because the traffic was heavy .

A. why did you come late           B. why you came late

C. why do you come late           D. why you come late

 

Answer 1

【答案】

B               

【解析】             

试题分析：考查宾语从句。句意 你能告诉我昨天你为什么迟到吗？因为交通阻塞。Know后面跟着由why引导的宾语从句，用正常语序故排除AC，时间状语是yesterday，故用一般过去时，所以选B 项。          

考点：考查宾语从句。