She had to drop out of school _____ her family couldn’t afford the cost of her education. 

—— The experiment is of particular importance.—— I see. We won’t carry on with it _______ we can get the good equipment.

It gives his life a flying start ______ he has gone abroad for further education. 

--- What do you want to do next? We have half an hour until the basketball game.--- ___________. Whatever you want to do is fine with me.

The problem is _________ we can finish the work in time.