Certainly I posted your letter — I remember ______ it.
For a long time, they walked without saying _________ word. Jim was the first to break ________ silence.
There is no doubt our educational system leaves something to be desired.
Before writing your answer, please give careful __ to the question.
Helping others is a habit, you can learn even at an early age
—How much do I owe you for lunch?— .It ' s nothing.