— You didn’t invite John to the party?　　 — ________ him, too?

I＿＿＿＿＿＿Professor Jones had taught me this question. 

If I _______ it, I would do it in a different way.

If I could change something in my life, I’d change it so that my childhood would _______ in another area.

To help Tom improve his English, I_______ that he take some online courses.