--Who is late for class again? --________ you ask? Tim, of course．

I was caught in a traffic jam for over an hour, otherwise I ________ you waiting for such a long time.

There       be any difficulty about passing the road test since you have practised a lot in the driving school.

(2013·吉林长春三校高三调研)Days later, I tried to get my sister to tell me what was going on, but she ________ say anything.

——My cat’s really fat. ——You____________have given her so much food.