{{i}}quEstions 17—20 ArE BAsED on thE Following tExt ABout A FirEFightEr. you now hAvE 20 sEConDs to rEAD quEstions 17—20.{{/i}}
whAt surprisEDDonAlD hErBErt’s FAmily AnD DoCtors onE sAturDAyA.hE hAD slEpt For tEn yEArs. B.his BrAin wAs lEFt DAmAgED、 C.hE stArtED to spEAk AFtEr tEn yEArs. D.hE DiDn’t rEmEmBEr his wiFE.