1 he went out of the restaurant without paying the bill.2 She bought a pair of boots instead of getting a pair of shoes.3 She was afraid of spending the night alone.4 After hearing/having heard the news,she fainted.5 Think carefully before answering my question.6 On seeing the plane coming towards me,I dashed for cover.练习1b 2c 3b 4b 5c 6b 7c 8a 9c 10c 11d 12athink送