The doctor advised the patient to give up smoking_____ his own health.

estimated that the novel will be_____ of his best sellers, for his novels are quite popular among young people．

She used to _______with her parents, but now she is used to ______with her classmates at school.

xportsanimportant role in its economic growth now, this province has been affected bythe global economic downturn

.The manager entered the office and was happy to learn that four-fifths of the tickets ___