. –Mike got “ C” in his history test. --_____? He has been working so hard at it .
Tom kept silent about the accident _________ lose his job.
Iraq has ______ too many wars since 1990, making his people _______ a lot.
As is known to all, China _______the group of developing countries.
We find _______ difficult to talk to him about anything serious.
—Thank you for joining in our conversation tonight.—_____.