Excuse me could you tell me ? Sorry I don’t know. I’m new here.A. when the museum opensB

问题补充：

Excuse me, could you tell me ? Sorry, I don’t know. I’m new here.

A. when the museum opens

B. where is No. Middle School

C. how long the old lady had lived here

D. how do you celebrate Halloween

答案：

(答案→)A. when the museum opens

B. where is No. Middle School

C. how long the old lady had lived here

D. how do you celebrate Halloween

解析：此题重点涉及到宾语从句的语序和时态问题，从语序上来看直接排除B,D;从A,C来选A是最佳答案。