are you busy with—The conference _____in our city next week,as you know

He made up his mind to devote his life________ pollution ________happily.

omewhat better ________ academically, he returned home to continue his research.

－Have you ever climbed Mount Tai, Carol －Yes. I ______ in Taian for a week last year and reached the top of it twice.

It is reported that the police will soon _____ the case of the two missing children.