——The research on the new bird flu virus vaccine is challenging and demanding. Who do you think can do the job?
——____ Tom have a try?
| A．Shall | B．Can | C．Will | D．Need |
Television has many advantages. It keeps us ____ about the ___ news and also provides entertainment in the house.
| A．to know; later | B．informed; latest |
| C．learning; latter | D．to think; latest |
Is there a certain cure ___ lung cancer yet?
| A．of | B．for | C．at | D．about |
-- Can I call you back at two o'clock this afternoon?
-- I'm sorry, but by then I ____ to Beijing. How about five?
| A．fly | B．will fly |
| C．will be flying | D．am flying |
The little boy was allowed to go to have a swim _____ he finished his homework.
| A．in case | B．provided that |
| C．now that | D．by the time |
-- Can you keep an eye on my bag? I need to go to the washing closet.
-- ________ . It'll be safe with me.
| A．It's my pleasure | B．Never mind |
| C．Go ahead | D．Forget it |