When you’ve got through the gate of opportunity, don’t get it shut behind yourself, and give others the same chance that_______ you succeed.

nown to us, knowledge is can change your life.

In time we reached a stagewe had more young readers than old ones

Scientists think that there has been lifeon Earth for _______ years.

When he was out of ___work, he was involved in crimes of violence and was put in ___ prison at last.