Tony, tell me the result of the discussion _______ you had with your dad yesterday. [ ]

Where ______________? – An art exhibition. I think it’s really worth _______ and we can learn a lot from it.

While heTV，a football flew into the room through the window．

How about your last weekend,Jim? —Quite meaningless.I ______my parents do the cleaning the whole day.

____ yogurt do you need?—Three cups.[ ]