下列各句中，没有语病的一句是（ ）

You see how thin Ann is!——She ______ gain some weight but she______ toolittle.

to manage time wisely, and you can make the most out of each day.

Good afternoon, Alice! — ____________, Bob!

I left my handbag on the train, but luckily someone gave it to a railway official.—How unbelievable to get it back! I mean, someone ______ it.