After Tom had finished some paper work, he ______ interviewing the applicants.
| A．starts | B．had started | C．started | D．has started |
They have held three meetings this week _________.
| A．alone | B．lonely | C．ever | D．just |
The faces of four famous American presidents on Mount Rushmore can be seen from a _________ of 60 miles.
| A．length | B．distance | C．way | D．space |
Hospital staff burst into cheers after doctors completed a 20hour operation to have _________ one-year-old twins at the head.
| A．isolated | B．separated | C．divided | D．removed |
The environmentalists said wild goats’ __________ on the vast grasslands was a good indication of the better environment.
| A．escape | B．absence | C．attendance | D．appearance |
In dealing with public relations,we should make every effort to prevent the __________ in personality.
| A．contact | B．contrast | C．connection | D．conflict |