You will hardly believe it, but this is the third time tonight someone______me.
A．telephoned
B．has telephoned
C．telephones
D．should telephone

未分类题It is in these changes within the companys organization______the computer will cause a revolution.A．whereB．thatC．whatD．who

未分类题The manufacture of rubber breathing pipes made it possible for divers______on the surface of the water.A．floatB．floatingC．to floatD．to be floated

未分类题Counting will not begin______tomorrow______the result will be announced.A．yet, andB．yet, butC．until, butD．until, and

未分类题The proportion of elderly people in the population is steadily growing______ they live longer; ______that fact brings them ever worsening problems.A．while, soB．when, butC．as, whilstD．whilst, just

未分类题Whatever difficulties we______with, well go on with the experiment.A．might meetB．will meetC．would have metD．should have meet