There must be no life on the Mars for _____of air there.

He can speak English, German, French and Japanese. He is nearly a man with a (an) _____ for language.

At the meeting they discussed three different           to the study of mathematics.    

The poem is hard to understand. Can you make ____ of it?

I'm writing on _______of my mother,to express her thanks for your gift.  

There were _______among the doctors about the best way to treat the disease.  

Judging by the ________ he keeps, Mark must be an extremely wealthy man.

I wrote him a letter to show my_________of his thoughtfulness.  

What the educational expert wants to stress is that ________ from worry and anxiety can definitely
contributes to a child’s mental and physical health.

Would you like my old TV in _________for this camera?