If I ________ a million dollars, I would give it to medical research.

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

— Come and join us, Betty!— I’m afraid I can’t. I’m too busy now. If I ______ time, I would certainly go.

---What would you do if you         a million dollars? ---If I         you, I’d give it to medical research.

— What would you do if you _______ a million dollars?— I would give it to charity.