When getting into troubles, Jack never ___ on other people for help. He always solves them on his own.

The book was so interesting that we couldn't put it down.

It was                                                                                                              

     This is the best film I've ever seen.

Moderation doesn't mean _____ the foods you love.

A. to eliminate

B. eliminating

C. to prevent

  The cost of livings has gone up considerable in the last few years.

He failed the exam because he didn't study hard.