1£®To be(be) specific£¬he is just 29 years old£®

2£®He started choking after eating the sweet food£¬to which he was allergic£®

3£®I would usually choose living in a small town in preference(prefer) to in a big city£®

4£®That old man earned a reputation as a skilled doctor£®

5£®I would talk with my friends rather than with my parents£®

6£®She was more sad than angry when her son lied£®

7£®Two copies of contract will be sent to you for signature(sign)£®

8£®The girl's family have made a public appeal for help to try(try) and catch the killer£®