______ you didn’t turn up at the party last weekend? — My plane was delayed by two hours.

My parents always remind me to make sure the electricity is turned off while I am having a bath, which would _____________ cause danger, leading to a dreadful consequence

Is everything clear now? —-Yes, the thief has admitted _________.

___ unsolved, this may lead to more serious problems.

30.—Why did you leave the lights burning? —Heavens! I guess I__________to turn them off