Question

3.     Excuse me,  could you tell me _________？

A.   where's the teachers' office

B.    where's the bus stop

C.    what's she doing

D.   where the post office is

Answer 1

3.   D考查宾语从句的语序。宾语从句中应使用陈述语序，故排除A、B、C三项。故选D。