Try to buy one before all the tickets ________.
Where's Tom? His mother ______ him now.
You will find ______ useful to learn even a little English.
By the first day of August, 2007, the PLA ________ for eighty years.
Have you ever gone ?
— Could you tell me Zhang Daqian Museum? —The day after tomorrow, I think.A. when will you visit B. when you will visi C. when you would visit