---Hi Mary, haven’t seen you for a long time. __________
--- Fine. What about you?
| A．How are you doing? | B．What are you doing? |
| C．How do you do. | D．What do you do? |
At this time tomorrow ______ over the Atlantic.
| A．we’re going to fly | B．we’ll fly |
| C．we’ll be flying | D．we’re to fly |
Chen Xiexia is the first Chinese athlete ______ the gold medal in the Beijing Olympic Games.
| A．winning | B．to win | C．wins | D．won |
______ many times, he finally understood it.
| A．Told | B．Telling | C．Having told | D．Having been told |
Going on a trip into ______ space must be quite ______ exciting experience.
| A．/ ; the | B．/ ; an | C．the; an | D．the; a |
— I need to advertise for a second-hand mountain bike.
— _______？David just plans to sell his present one.
| A．Why bother | B．Why not | C．So what | D．What for |