The city of Qingdao has been working on building itself up as a city of sails ________ it successfully hosted the 2008 Olympics’ sailing program.
| A．after | B．since | C．when | D．until |
When I got off the crowded bus, I found my pocket _____ and the disk in it with the important documents gone.
| A．picked | B．stolen | C．missing | D．lost |
We can never expect ____ bluer sky unless we create _____ less polluted world.
| A．a; a | B．a; the | C．the; a | D．the; the |
The newly discovered star was named ___a Chinese astronomer ____ honor of his contributions to astronomy.
| A．for; in | B．after; for | C．as; in | D．after; in |
-----Good morning, Xueyuan Hotel．
-----Hello, I’d like to book a room for the nights of the 14th and 15th.
-----_______.
| A．No problem. | B．Just a minute, please. |
| C．What can I do for you? | D．What’s the matter? |
— How did you find the film Harry Potter and the Deathly Hallows?
— ________. I can’t think too highly of it.
| A．It makes no sense | B．It’s really amazing |
| C．It’s awful | D．It’s up to you |