Are these all ok? He wanted to publish a book to give answers to all problems so he began to work ..
Are these all ok? He wanted to publish a book to give answers to all problems so he began to work on/at/for it.

Thanks

Question

Are these all ok? He wanted to publish a book to give answers to all problems so he began to work ..
Are these all ok? He wanted to publish a book to give answers to all problems so he began to work on/at/for it.

Thanks

Answer

Hello!

Usually when we want to say that we are going to start doing something that we need to and it takes time and effort, we say "Work on"

For example:

"Scientists are now working on the development of a new molecule that..."

"My sister is working on a school project and..."

Hope it helps!

:)

Answers · 2

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