I will do it more carefully ________it takes me hours.
| A．even |
| B．till |
| C．even if |
| D．if |
We believe ________ we can find out the wonder drugs to H7N9 bird flu.
| A．when | B．whether | C．what | D．that |
For more information about the job employment ad.，please________our website on the Internet at www.state.gov or telephone 619－5886.
| A．pass away | B．call up | C．refer to | D．put up |
Having received ___________training of the FDS company, Jackson Sharoff was offered __________important position in management.
| A．the; an | B．/; an | C．the; / | D．a; a |
Don’t trouble to see me ______ the door I know my way out.
| A．to | B．in | C．off | D．outside |
Hiking by oneself can be fun and good for health.It may also be good for________building.
| A．respect | B．friendship | C．reputation | D．character |