Question

【题目】_________ happened to be no one in the building when the fire broke out.

A. It B. There

C. This D. That

Answer 1

【答案】B

【解析】试题分析：考查从句连接词。考查从句连接词句意：碰巧没有人在那栋大楼里，当火灾发生时。happen to do sth碰巧做某事；there be表示“有......”。故选B。