补写出下列名篇名句的空缺部分。

Why should we elect him _________mayor? I mean last year he was elected as _________ member of the Congress and he has failed to keep any promise he made during the election.

有一个数值转换器，原理如下：当输入的x为64时，输出的y是（     ）

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Last night Mr. Crook didn’t come back at the usual time. ______, he met some friends and atayed out unitl midnght.

中国桥梁的历史，可谓世界闻名。有这样一座桥，它因桥上形态各异、数量甚多的狮子而闻名，它又因揭开了全国性抗日战争的序幕而永载史册。此桥是(    )