You ______ wear sports shoes when you climba mountain.

Our bodies are strengthened by taking exercise,________,our minds are developed by learning[ ]

When was tea brougbt to Korea-It was brougbt to Korea during 6th and 7th century.

It’s two years since they ____ each other， and they are going to get married next month.

We keep __________ soccer ball with our classmates and we are a strong team now.