He gave her the job on her uncle’s r________.
Please come whenever it is c________ to you.
Bicycling is good exercise；m________，it doesn’t pollute the air.
Make your i________ at the office.
Deafness is a serious ________ (限制) in this job.
All these jackets have a ________ (统一的) size.
He was very ________ (高兴的) with the results.
He completed the ________ (航班) in 25 hours and 50 minutes.