---Are you going to take part in the speech competition? --- _____. It’s too good a chance to miss.
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 visit C. when you would visit