It was Mr. Zhang that helped us out of the trouble. Without his help, we ______ it so easily.
No matter who breaks the law, he cannot _______ with it.
John, _______ university professor, is considered to be _______ success as ______ expert in the agriculture research.
---Would you mind my using your dictionary? ---________
Though you've got a tight schedule these days, I should be ________ if you could spare time to attend our meeting today.
—Can you describe a distinctive characteristic of this animal? —Its neck can be extended ________ of its body.