问题
选择题
_________ happened to be no one in the building when the fire broke out.
A．It
B．There
C．This
D．That
答案
答案：B
there be 句型和happen连用表示碰巧有-----=
There was no one in the building when the fire broke out.
Do you expect there to be a possibility that Palestine and Israel will make a peace agreement after
Yasser Arafar died.