An artist who was recently traveling on a ferry to the southern island discovered________a long lost antique Greek vase.
| A．at random | B．by chance |
| C．in turn | D．on occasion |
According to statistics, a man is more than twice as likely to die of skin cancer _________ a woman.
| A．than | B．such | C．so | D．as |
Jane was asked a lot of questions, but she didn’t answerof them.
| A．other | B．any | C．none | D．some |
The biggest whale is ___ blue whale, which grows to be about 29 meters long—the height of _____ 9-story building.
| A．the; the | B．a; a | C．a; the | D．the; a |
_____ I admit that there are problems, I don't' think that they cannot be solved.
| A．Unless | B．Until | C．As | D．While |
Jane was asked a lot of questions, but she didn’t answer of them.
| A．other | B．any | C．no ne |
D．some |