One the last day he _________.
______ the challenges, I become stronger than I used to be.
A survey of the opinions of experts that three hours of outdoor exercise a week good for one’s health.
Only when you showed the pass to the guard to come out our school.
When you come into our school yard, you will notice our beautiful school _____by green trees.
Your article is perfect but a little long, so you’d better ______ it in order to make it fit the demand of less than 120 words.