Jackie Chan has donateddollars to charity.—He is an example to us all.

It’s a long time ago ______ I saw you last time.　　

_______ with the present situation, the local government could not find effective measures to reduce the risk of coal mine accidents.

Clean-Up Day is coming. How to let more people know it?We could ______ advertisements after school.

I often go to the movies _____ my parents _____weekends.[ ]