30. At 60 the famous film star Dustin Hoffman is at a point in his art career _______ the chances are narrowing but the roles seem stronger.
| A．where | B．that | C．which | D．when |
—Is that the country clinic you often refer to?
—Right，just the one you know my father used to work for 10 years
| A．that | B．which | C．where | D．as |
—John, how did your English exam go?
—I thought I _____, but in fact I came in the top 10% in the class.
| A．should have failed | B．might have failed |
| C．couldn’t have failed | D．mustn’t have failed |
For professional athletes, ________ to the Olympics means that they have a chance to enter the history books.
| A．access | B．attachment | C．appeal | D．approach |
Try to spend your time just on the things you find _________.
| A．worth doing them | B．worth being done |
| C．them worth doing | D．worth doing |
On snowy days, you have to drive very to avoid traffic accidents.
| A．cautiously | B．neatly | C．smoothly | D．properly |