We have a high regard for Mr. Smith because he always tries to ______ his principles. [ ]

In these years, the shortages of water has become a ______ problem.

He _____the problem _____in his mind for a whole week before he did anything about it.

Taiji is my favorite and I often play it ______ healthy.

can you makea sentence to ________ the meaning of the new phrase —-Well…