Li Na officially announced his retirement on September 18, 2014, ________ tennis for 26 years.
— I can’t find Mr Brown. Where did you meet him this morning? —It was in the hotel _______ he stayed.
He was honest and told us ______ he knew.
She may have missed the train, in _______ case she won’t arrive for another hour.
The best job is _____ which uses your skill in doing something together with your interest in the subject.
Living in the central Australian desert has its problems, _____ getting water is not the least.