The murder h____ between 8 p.m.last night and 1a.m.this morning.the police are trying to find.

问题描述:

The murder h____ between 8 p.m.last night and 1a.m.this morning.the police are trying to find.
The murder h____ between 8 p.m.last night and 1a.m.this morning.the police are trying to find the murderer 横线处填什么单词,

是happened,前半句是今天早上,是过去式