During the tourist season, there are many people wandering in this city to see the old castles _____ in the sixteenth century.
A、tobebuiltD
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Many people attend various public lectures, chiefly ______ themselves familiar with the latest development of different fields.
Hedoesn'tknowwhattosay,foritisthefirsttimethathe______withagirl.
Generallyspeaking,thehardoneworks,_______.
herehasbeenagreatincreaseinretailsales,____﹖
Modern science and technology has _____ communication between people far apart.