Now the police ()(check)the scene for fingerprints and other clues.动词填空They ()(not arrest)anyone yet because they don’t know who did itLast night some thieves ()(break)into his house三个动词啊,

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Now the police ()(check)the scene for fingerprints and other clues.动词填空
They ()(not arrest)anyone yet because they don’t know who did it
Last night some thieves ()(break)into his house
三个动词啊,

LZ初三的吧.
1.are checking 由now知应用现在进行时
2.haven't arrested 由yet知应用现在完成时的否定形式,即haven't arrested
3.broke 由last night 知应用break的过去式broke

was checking
haven't arrested
broke