Jackie Chan is famous ______ an actor. I like his film _________ The New Police Story.

Father has had the computer _________. Now it worksvery well.

Now that the problem ________, appropriate action can be taken, and final success will be seen.

It is reported that Beijing and Zhangjiakou（张家口）will compete to host the 2022 Winter Olympics, which will _____ China’s social development.

We students must these school rules. They are good for us.