There is no ______ in trying to talk him into joining us. He enjoys being alone.
I , but my mother didn’t .
—Do you know if Mary has got married John?—Yes, They have for nearly a year.
The long-lasting meeting, filled with arguments and quarrels, ended in disorder, no conclusion.
Leaders from different parts of the world took part in the discussion the international treaty.
Du Vigneaud , a well-known American scientist, the Nobel Prizechemistry in 1955.