The modern iron suspension bridge dates form the early nineteenth century , but it did not have (1)_______debut, many early suspension bridges were damaged, if not outright destroyed, bu the wind.There were few (2)________, however, so the form (3)________.
Blank(1) Blank(2) Blank(3)
A.a propitious D.obvious parallels G.declined
B.a conspicuous E.practical alternatives H.inspired
C.an equivocal F.unnoticed instances I.persisted
