They explained the situation to the steward, who brought over some water. He told them that he______on the route for twenty-five years.
A．works
B．worked
C．has been working
D．had been working

未分类题Be the consequences______they may, I will not shrink from doing my duty.A．thatB．whichC．whatD．as

未分类题In order to cover his three sons expenses at college, Jack applied to a bank for a loan of 200 000 dollars. The bank approved of his application______his house is to be mortgaged if he cant pay off the loan before the deadline.A．on condition thatB．in the event thatC．with the result thatD．by reason that

未分类题Because he has worked in our company for a very short period of time, I have very little information______my opinion of his value to the company.A．which to be based onB．which to be based onC．to base on whichD．on which to base

未分类题The light, which otherwise______the invalid, was excluded from his chamber by means of shutters.A．disturbedB．had disturbedC．would have disturbedD．must have disturbed

未分类题Go and see for yourself, and you______what be said is true.A．would findB．will findC．would have foundD．should find

未分类题______adequate precautions are taken, there is no risk involved in the operation.A．AlthoughB．ProvidingC．NeverthelessD．Even

未分类题He wont go back to Hong Kong next month. If he______to go back to Hong Kong, he______courses at Cornell Universitys Hotel School.A．were, could not takeB．were, could have not takenC．had been, could not takeD．had been, could have not taken

未分类题In a different political situation, workers______the right to go on strike.A．have not gottenB．have gottenC．might not have gottenD．might have gotten

未分类题It was the drug, not the disease, that killed him. He______alive today if he ______that drug.A．would still be, didn't takeB．would still have been, had not takenC．would still be, had not takenD．will still be, doesn't take

未分类题The products of the chemical industry make a major contribution to present-day standards of living, and life today______impossible without these products.A．isB．has beenC．would beD．would have been

未分类题If John were to resign and if Henry were elected to take his place, we______ more vigorous leadership.A．have hadB．should have hadC．should haveD．had

未分类题Jenny Edward divulged her intention of trying vaccination under a bond of secrecy because she feared ridicule if they______.A．have failedB．should failC．failedD．being failed

未分类题If oil______on the frozen north coast in the 1960s, an 800-mile pipeline would not have been constructed to bring it to the south coast.A．was not discoveredB．was discoveredC．had not been discoveredD．had been discovered

未分类题She claimed that he______able to give more intimate details if he had been properly qualified.A．have beenB．should have beenC．wereD．should be

未分类题Letters of recommendation received after the first of the month will not be reviewed by the admissions officer______ to your file.A．assignedB．assigningC．being assignedD．to assigning