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

The __________ of his books among parents and the recommendation of experts both at home and abroad have quickly made him a celebrity educator.

At less than $100 this smart and digital camera is good _______ for money.

There seemed to be no human beings in that village, and the only ______ of life was a boat tied to a tree.

The U. S．declares it has the best medical technology in the world，but quite a lot of Americans have no __________to health care service．