where
---Excuse me, sir. Where is Prof. Smith’s office? ---_________________.
---Excuse me, sir. Where is Prof. Smith’s office? ---_________________.D
---Excuse me, sir. Where is Prof. Smith’s office? ---_________________.
---Excuse me, sir. Where is Prof. Smith’s office? ---_________________.D
----- Can you tell me where Tony is? -----__________________________
----- Can you tell me where Tony is? -----__________________________A