Was it in front of the office()the traffic accident happened

问题描述:

Was it in front of the office()the traffic accident happened
where
which
that
in which
我选了where 为什么是that呢

Was it in front of the office(that)the traffic accident happened?
这起交通事故的地点是在办公室前面吗?
这是一个强调句型.从句部分要用that来当引导词.
它的结构为:It's + 强调部分+ that 从句.