---What happened to the priceless works of art?
---________.
-----They used to be good friends, but now they are like strangers.
----- How _____ this ______?
-- What else did you do this morning besides doing the shopping?
-- Two hours ________ washing the windows and floor.
—Where are Jack and Mike?
—They ________ the furniture you asked for into the house.
--___do you clean the reading room?
--Every two or three days.
--I regret not telling Alice my new address and telephone number.
--That's too bad. You ________ her when you meet her.
--________ he open the door?
--Yes, please.
--Yesterday Mary broke two glasses when she was washing them.
--I'm not sure. How ________ she be so careless?
---Would you mind ________ to the town ________ you visited last month?
---Of course not.
—Everyone says you are a good student. You never sleep in class, do you?
—________.