完形填空。 Yesterday I had a walk with a friend in the street.When we were passing by a house,I__ 1 __a BlackBerry cellphone.I picked it up and it still__ 2 __!I started checking the contact list and calling numbers.I wanted to see__ 3 __I could get some information about the owner of the phone.__ 4 __, only one person answered and she didn't recognize the__ 5 __that I was calling from.In the end,she said,'It is just so n ice that you are trying to__ 6 __whose phone it is.' Since that lady didn't know whose phone it was,my friend__ 7 __me to go back to the street.I __ 8 __.We went back to the street and to the house__ 9 __which we had found the BlackBerry cellphone.I__ 10 __the door.Two college students__ 11 __and said they hadn't lost their phones. But when I told them the story and__ 12 __some names on the contact list,one of them said that he__ 13 __had those names so it must be the phone of one of his__ 14 __. They said it was__ 15 __that I took the time to find the__ 16 __.I really didn't have anything to say because in my mind I was just doing the__ 17 __thing.I never considered__ 18 __the phone it wasn't mine.I immediately tried to find the owner because that is exactly what I would want_ 19 _ to do if any of my family members__ 20 __their phones. (     )1.A.bought (     )2.A.rang (     )3.A.that (     )4.A.Probably (     )5.A.number (     )6.A.talk about (     )7.A.advised (     )8.A.laughed (     )9.A.at the back of (     )10A.turned to (     )11.A.answered (     )12.A.spelled (     )13.A.sometimes (     )14.A.kids (     )15.A.exciting (     )16.A.phone (     )17.A.important (     )18.A.giving (     )19.A.them (     )20.A.lost B．dropped B．sang B．if B．Interestingly B．street B．think of B．pushed B．understood B．in front of B．looked for B．shouted B．wrote B．also B．parents B．necessary B．information B．right B．borrowing B．him B．described C．repaired C．worked C．what C．Finally C．man C．find out C．helped C．argued C．on the top of C．knocked on C．ran C．mentioned C．hardly C．students C．wonderful C．buyer C．strange C．mending C．someone C．needed D．found D．shook D．how D．Unluckily D．name D．care about D．showed D．agreed D．far away from D．broke into D．passed D．remembered D．always D．friends D．impossible D．owner D．brave D．keeping D．myself D．lent