(Questions 18-22) ·You will hear another five recordings． ·For each recording。decide where the conversation happeneD.·Write one letter(A-H)next to the number of the recording． ·Do not use any letter more than oncE.·You will hear the five recordings twicE.18．______ 19．______ 20．______ 21．______ 22．______ 第18题选择： A.on the plane B.at the bank C.at the airport D.at the office E.at the theatre F.at the hotel G.at the customs H.on the bus