--Mary, ________you play chess?
--Yes, I can do it very well. I want to join the chess club.
--Cindy, dinner is ready. Where's John?
--He _________ homework in his room.
--Excuse me, could you tell me where I can post a letter?
--_________. Turn left. There is a post office on the Fifth Road.
--When was the car invented?
--It was invented __________ 1885.
--__________ have you stayed in Shanghai?
--For about two months.
--Why do you hope to visit Hawaii some day?
--__________ it has beautiful beaches.
--Jim, get up. It's time to __________.
--It's Sunday. We have no classes on Sunday.
--How do you learn English?
--I learn English by _______.
“When shall we meet at the gate of the park?”
“Let's ________ half past two.”