spEAkErA、Firstly, Allow mE to introDuCE mysElF. my nAmE is johnBrown, mAnAgEr oF thE CompAny.
spEAkErB、______
A、you must BE mistAkEn. i Don’ t know you At All.
B、hEllo ,Brown! i hAvEn’ t sEEn you For AgEs.
C、how Do you Do, mr.Brown vEry hAppy to sEE you.
D、hi, john ! wElComE toChin