Mar Levine, ____ scientist at University ofPennsylvania, US, has found that competitive eaters have stomachs that canexpand like ____ balloon.

John had to have his car repaired in a garage because it ____seriously.[ ]

We can use MSN to talk with each other on the Internet.—Really Will you please show me ________ it

下列各句中，画线的成语使用不恰当的一句是  (    )

I’ m sorry. I ______ at you the other day.—Forget it. I was a bit out of control myself.