Since no other way to escape from the flood, ____ only safe thing is to take ____chance.
| A．an ; 不填 | B．the ; a | C．an; a | D．不填；the |
Are you satisfied with the way_______ he explained the problem?
| A．which | B．by which | C．in that | D．/ |
The reason_______ so many people rushed to California was ______ another gold mine was found in California.
| A．that; because | B．why; that | C．that; why | D．why; because |
They have_______ carefully the time and money needed to complete the project.
| A．picked out | B．left out | C．taken out | D．figured out |
He________ to get a high position in the company, but failed because of his carelessness.
| A．managed | B．attempted | C．succeeded | D．thought. |
Out_______ , with a stick in his hand.
| A．did he rush | B．rushed he | C．he rushed | D．he did rush |