听短文填空。
Tony：Hi，Jenny! It will he Helen' birthday next ________．What gift would you ________ her?
Jenny：I want to buy a ________ for her．She's practising baseball now．
Tony：That's a good ________!
Jenny：I'll put the ball into a beautiful ________ and let her guess．She'll find that's a wonderful present．
Tony：Great! That's very interesting．
Jenny：What's your ________，Tony?
Tony：It's a secret．I can't ________ you now．
Jenny：OK．Let's go to ________ a baseball right away．
Tony：Let's go!