小题1:We have got used to keeping touch with each other by sending e-mails.
小题2:When I arrived there, I couldn’t help taking photos.
小题3:I have lived here since I was born .
小题4:It took us three hours and a half /three and a half hours to fly there/ go there by plane/ take a plane there.
小题5:How many times have you been to Tiger Hill/?