Bonsoir, j'ai fait de mon mieux, j'espère t'avoir aidé :)
Si tu aimes ma réponse, n'hésite pas à me choisir comme la réponse la plus brillant :) Merci!
1) The murderer must have come in by the window!
2) Something could have been stolen.
3) A detective couldn't bee wrong.
4) The weapon must be hidden really well!
5) The children could be scared.
6) The criminal must have an accomplice.