We’re all ready to put it into operation, _____, we’re going to take action as fast as possible[ ]

Why were you late-Because my _____didn’t go off.

Shall I tell your best friends what happened to you yesterday?— _____ they ask you[ ]

The poor man lives ________ in the ________ house.

If I find someone who looks like the suspect，my ________ reaction will be to tell the police.[ ]