固定搭配：what happened ____（介词）

固定搭配：what happened ____（介词） what happened?the window _(破裂)into pieces. happen 固定搭配 ：是sth happened to 前面happen一定要用过去式的形式吗 固定搭配 What happened to you?的同意句是什么?_ _ _ you? to what extent是一个固定搭配吗? what be .like .这是固定搭配吗 --What _ to them?--they appeared__in the accident.A.has happened to,be injured B.happened ,to have been injuredC.has happened to ,be injured D.happened ,injured Sports,like soccer _ [be] fun并说明为什么，是固定搭配吗 what has happened是什么意思 是固定句子还是?为什么用HAS What had happened?What had happened?What had happened? When he r _ what had happened to the environment ,he was sorry. air is to us ___ water is to fish 为什么填what 固定搭配air is to us ___ water is to fish为什么填what 固定搭配?. 初中英语所有固定搭配! 高中英语词组固定搭配 初中英语固定搭配 固定搭配是什么? 是不是有固定搭配