There are two buildings, __________ stands nearly a hundred feet high .
__________ and happy, Tony stood up and accepted the prize.
.His health requires that he ________ to bed early.
.I shall never forget the day ________ Liu Xiang won the gold medal, _________ has a great effect on my life.
The place ________ the bridge is supposed to be built should be _________ the cross-river traffic is the heaviest.
The factory produces half a million pairs of shoes every year, _________ are sold abroad.