The illness from which Mary is suffering has now been _____ as hepatitis (肝炎).
| A．diagnosed | B．determined | C．deduced | D．discovered |
Little Tom sat watching the monkey dancing in front of him.
| A．amaze | B．amazing |
| C．amazed | D．to amaze |
The exhibition tells us we should do something to stop air pollution.
| A．where | B．why | C．what | D．which |
Andy is content with the toy. It is he has ever got.
| A．a better | B．the better |
| C．a best | D．the best |
There is only one more day to go your favorite music group play live.
| A．since | B．until | C．when | D．before |
Brian is gifted in writing music; he is very likely to be Beethoven.
| A．a | B．an | C．the | D．不填 |