an English question.Please come in!Another new bridge_____(build)over the river last year.You must say why!

问题描述:

an English question.Please come in!
Another new bridge_____(build)over the river last year.You must say why!

had been built
用过去完成时

was built
被动语态的考查.因为是过去时,故BE动词用was
意思是:去年在这条河上修了另一座桥.