英语同义句转换 （急!
The murder happened about 30 years ago.
The murder ____ ____ ____ about 30 years ago.
They went home on foot without saying any words.
They ____ home ____ ____.
We went into the station after the police.
We ___ the police ____ ____ to the station.
我觉得第一题是多了一空吧~不然只能想到 did take place 但是初中有没有学强调啊~