They finished school at five in the morning.
意思为：他们今早5点钟就放学了.
因此要用“finish”,然而因为是放学后才说的语句,所以要用过去式,所以为finished.
不懂再追问^^
根据句意及首写字母提示写出单词They f（） school at five in the morning
They finished school at five in the morning.
意思为：他们今早5点钟就放学了.
因此要用“finish”,然而因为是放学后才说的语句,所以要用过去式,所以为finished.
不懂再追问^^