We’ve tried every _______ to solve the problem.
As long as you are confident and determined, you will _______ whatever difficulties you face.
I have been advised to arrange for insurance _________ I need medical treatment.
________ in the traffic jam, she failed to catch the train, which mader her upset.
I don’t speak any French. I wish I _______ harder when I was at school.
He was seriously injured last week and that’s _______ he didn’t participate in the competition.