People in the west make_____a rule to buy Christmas presents for their relatives and friends.

You can’t _____ until tomorrow morning after the blood examination.

We’ll be back for our school’s _____ anniversary ceremony(周年庆典). –I see. That means you’ll have a get-together with your classmates in ___ years.

Have you found the information is about President Xi’s visit to Russia?— Not yet. I will surf the Internet.

Shanghai is ______ years old.