Most of the evidence was destroyed in the fire. _____, it would be almost impossible to prove Jim guilty.

 I’d like to start my own business next year – that’s _________ I will face my big challenge in life.

 —Have you finished your experiment report, Jane?—Oh, my God. I’ve _____ forgotten all about that.

Would you please turn the light ___ because it's dark?

The player kept on running ___ it was raining heavily.