ung man, ______ severalattempts to break the world record in high jumping, decided to have anothertry

We would appreciate _______ if you could give us some advice on how to solve this problem.

I saw ___elephant in the street yesterday. It was my first time to see___ biggest animal on land.

下列各句中，没有语病的一句是

always telling the director how to run thebusiness, _________ is like teaching one’s grandmother how to suck eggs