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                                                                                                              

Moderation doesn't mean _____ the foods you love.

A. to eliminate

B. eliminating

C. to prevent

Thanks to everyone’s efforts, we can do _______ to make school a meaningful place for students living in poverty.

A.a great many

B. a little

C. a great deal

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