.I doubt very much _____ the tickets for tomorrow have _____. A that ; been sold away B that ; been sold out C if ; sold out D whether ; been sold out.
——Do you think the question easy or not? ——_____ .
I go or_____you go yourself?
——Would you rather go there by train or by air? ——_____.
About_____do you want to know more?
_____does your watch cost? Two hundred yuan.