Without ____ participation of so many people, the completion of such a project in a short period would be out of ______ question.

.He _______ to act out the story he had read, but he failed. 

It’s the ability to do the job _______ matters not where you come from or what you are.

Encourage your children to try new things but try not to ______them too hard.

He threw away all the ______ cigarettes, _______ to give up smoking for the sake of his health.