-Excuse me. Could you please tell me ______ '?-Sorry, I'm afraid I can't. You can turn to our teacher for help.
—Excuse me, could you tell me ________? —There is a bank on the second floor. You can make it there.
--We’ll go to the Great Wall___ it is sunny tomorrow. --OK! Walking on the Great Wall must be great fun.
– Do you know how many _____ a horse has and how many _____ a bee has? --- Of course, I know.
Is it important us learn English well?
________ city would you like to live in, Beijing, Shanghai or Chongqing?