In 2100, people will by robots.
| A．cared for | B．be looked |
| C．be cared for | D．take care of |
– What do you think of Lucy’s birthday party?
– ________. I hope I can have such a party too.
A. Wonderful B. Terrible C. Boring
This is Mr White’s ________ trip to Beijing. He has been there twice before.
A. first B. second C. third
– ________ do you hang out with your friends?
– About once a week.
A. How soon B. How often C. How long
We will have no water to drink _________ we don’t protect the earth.
A. until B. if C. unless
I got an e-mail this morning. It was ________ my pen pal, Tony.
A. from B. for C. to