—Tom says he is too tired to go on.—He can’t be.He ____for an hour.
Come and see me whenever _____.
He is made ______ monitor of our class.
Long ago, man used to ______ with his hands but now man is used to ______ with machines, and sometimes a robot is used to ___ instead of people.
There is no need ______ because Mr. Smith is still sleeping.
Mr Smith, _____ of the _____ speech, started to read a novel.