John,look at the time.       you stop playing the piano at such a late hour?

— I heard they went skiing in the mountains last winter. — It ___ true because there was little snow there.

I wish I        what to do.

—You didn’t invite Mary to the ball?—____ her, too? 

You must be a student, ＿＿＿＿＿＿＿＿you?