41.   It may be a couple more years, it may just go until next year.

42.   Maybe they should have just gone on until dawn.

43.   Mauro said all went well until the weather changed.

44.   Months or years may go by until the next exacerbation, which will leave the patient permanently worse off.

45.   Most of his songs seemed to have no ending, but would keep going and going until the crowd was exhausted.

46.   North Korea is short of one million tonnes of grain which the country needs to keep it going until the new harvest in October.

47.   Now, they had better keep the momentum going until the quality racing returns.

48.   On and on it went until, finally, Veras lined to third for the final out.

49.   Shays, who kept the town meeting going until late in the night, said he would digest what he had heard and not divulge how he would vote.

50.   So it makes sense to keep them going until the end of their working lives.