Excuse me, sir. Is this ______ umbrella
A: you
B: your
C: yours
A: you
B: your
C: yours
举一反三
- Excuse me, sir. Could you tell me ____?
- Excuse me, sir. You need to ______ the form.
- Excuse me, sir. Have you anything in（ ）as to what to order?
- --- Excuse me, sir. Would you do me a favour? --- Of course. What is it? --- I ______ if you could take me to the station.
- 中国大学MOOC: ----Excuse me, may I use your umbrella? -----________.