-Will you stay for lunch?- Sorry, I _____. My mother is coming to see me.
--Why do you look so upset, Linda? --There are so many troublesome problems____.
I lost the key to my dormitory. Could you ____ for the night?
--Silly me! I forgot the color of my luggage. --What aboutover there?
--The concert won’t start till seven. Why____ so early? --You know I don' t want to be at the traffic there. It’s terrible during the rush hour.
What he had done ____ a lot about his honesty.