Question

—What is that man holding a phone asking for? He seems completely mad.

— He is asking to be put________to Queen Elizabeth.

Answer

through

【解析】

句意：——那个拿着电话的人在要求什么？他似乎完全疯了。——他要求接通伊丽莎白女王的电话。

put sb. through to 为某人接通电话，此处是动词不定式的被动结构 be put through to sb接通某人电话，故填through。