The number of people invited ______ fifty, but a number of them _______ absent for different reasons.
. To improve your spoken English, you’d better listen to the tape ______.
______ he has made up his mind, no one can make him change it.
I ______ laughing when my daughter made a face.
—Theexaminationwasveryeasy. —______,ourmonitordidn’tpassit.
Many of them didn’t follow his advice, ______ they knew it to be useful.