--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．”