Flocks of customers joined Alibaba Singles Day, Hong Kong, the U.S. and Russia_______ the top three outside.
| A．claimed | B．to be claimed |
| C．claiming | D．being claimed |
The Expo site should be _______ from anywhere in the city of Shanghai within 90 minutes by bus, subways and special taxis.
| A．adoptable | B．acceptable | C．available | D．accessible |
Knowing office rules— whether _______ or not—is critical, especially for young job seekers.
| A．written | B．writing | C．being written | D．having been written |
—He is eager to try something he has never tried before.
—Oh, I see. That’s _______ he’s different from others.
| A．when | B．where | C．how | D．what |
Last month, thousands of workers in that city went on _____ strike, demanding lower taxes and ______ end to cutting staff members.
| A．a; the | B．a; an | C．不填; an | D．不填; the |
--- How can you be late for such an important conference?
--- Sorry! But my flight was ______ by fog.
| A．taken over | B．held up | C．turned down | D．handed out |