79. Ming and Qing tombs have ______ relatively undamaged. They, ______, have suffered some damage from centuries of exposure, wars and deliberate destruction.
______ the clothes factory is small, its products are of very good quality.
He was the first man ______ on the moon in July 1969.
On the top of the hill __________ the old man once lived.
The boy looked very ______; he must have seen something _____ on the way to school.
It took me over two hours to _____ Robert to change his mind, because he was too stubborn.