Unreal conditionals and inversions

Should Tuesday's interview be cancelled for any reason, we_______________let you know.

I suppose/supposing we can't find a suitable candidate for the job-what then?

I'd sooner you scheduled/would schedule the job interview for next week

______________you have any questions, don't hesitate to ask.

It's about time you'll decide/you decided what you want to do for a career.

I rather/ I'd rather you waited until tomorrow to tell your mother about your new job.

Were you to be offered a place on the course, ____________you take it?

________________I known Holly was your boss, I wouldn't have said anything.

I wish you arrive/would arrive on time to team meetings!

Had it not been for ______________that the plane was delayed, we would have missed it.

_______________I not working full time, I'd be happy to volunteer.

Were it___________________my headmistress, I don't know where I'd be today.

It takes forever for web pages to load. If only our Internet connection isn't/wasn't so slow!