Complete each of the following sentences with the structure "when it comes to ..." and the word(s) in brackets. Make changes or additions where necessary. 1. There is no doubt he is impeccable ____________________. (honesty) 2. ____________________, we all know what to do, but we seldom do what we know. (diet, exercise) 3. I’m not good at English, but____________________. (math, best, in the class)