---If I were you, I ________ study harder

--- If I_______ one million dollars, I would give it to medical research.---If I _______ you, I would give it to charity.

If I              a bird, I                  _ fly in the blue sky.

If I ________ ten years younger, I _________ piano lessons and go to a music college.

—Come and join us, Jimmy! ---I’m sorry, but I’m really busy now. If I ________ time, I would certainly go.