You should have a ________ lifestyle, or you can’t keep in good ________.

Never lose heart. I believe you will make a ________this term as long as you are more hard-working.

That lecture on genetic medicines—I had no idea what he was saying; it’s all Greek to me.

Where ______ my books ? ——They’re ____ the sofa.

I want to buy a nice present _____ my mother and I must give it _____ her myself.[ ]