______ you have tried it, you can’t imagine how pleasant it is. A. When. B. Because. C Although. D. Unless.
---Was Tom there when you arrived? ---Yes, but he _______ home soon afterwards.
What chance ______ of taking an earlier plane?
Standing on top of the building, ______.
European football is played in 80 countries, _________it the most popular sport in the world.
___________his work, he went back to work after supper.