Eating________vegetables and less meat can help you tokeep in good ________

Smoking is bad for your health–Yes, I knowBut I can’t _____

ould be a very prettygirl, but she ____to her clothes

Why was Professor Zhang unhappy recently— Because the theory he insisted on _____ wrong.

Only after he had spent several nights working on the math problem _______ to wonder whether the problem was wrongly set.