Word FormationExercise 38 of 114

(0) SURELY (SURE), I've got a pretty weird hobby. At least, I (1) .......... (THINK) that until I read that more than ten million people do the same thing every year. Of course, most of those people will only do it (2) .......... (ONE), whereas I've made a habit of it. It's something you can do in almost every…