4、________(17.go)to England byplane.Atteno’clockintheevening,I________(18.arrive)in London atlast.I________(19.be)tiredandwantedtofindaplaceandhaveagoodrest.Theairportwasbigandblack.Ofcourse,I________(20.notknow)theway,I_______(21.see)anEnglishmaninfrontofme.Iwentovertoh