1 2 Rewrite the sentences using the linkers in brackets. Free running is exciting. It can be dangerous. (but) Free running is exciting, but it can be dangerous. 2 Collecting seashells is cheap. It's easy to do. (as well) 3 Playing video games is fun. Playing too much isn't good for us. (However) 4 Paintballing is great exercise. It can hurt. (though) 5 Rock climbing is difficult. It is tiring. (too)