What would you wish to do if you were a college student again? —That’s very hard to say, but I wish I___________ when I was a college student.

Excuse me, sir. Could you please tell me _______— Sorry, I don’t know. You can go to the information desk.

The map is one of the best tools a man has _ _ he goes to a new place.

Mr. Zhou was really anxious _____he can’t find his car.

下列各句中，没有语病的一项是（ ）