It's much easier to play the B chord on the 7th fret, just a tip.

B (x2444x@1)                         G#mDon't (133111@4)know much about history
E (022100@1)               F#Don't (244322@1)know much biology
B (x2444x@1)                             G#mDon't (133111@4)know much about a science book
E (022100@1)                                F#Don't (244322@1)know much about the French I took

B (x2444x@1)                   EBut (022100@1)I do know that I love you
B (x2444x@1)                          EAnd (022100@1)I know that if you love me, too
               F# (244322@1)                       BWhat (x2444x@1)a wonderful world this would be

B (x2444x@1)                          G#mDon't (133111@4)know much about geography
E (022100@1)                F#Don't (244322@1)know much trigonometry
B (x2444x@1)                          G#mDon't (133111@4)know much about algebra
E (022100@1)                      F#Don't (244322@1)know what a slide rule is for

B (x2444x@1)                       EBut (022100@1)I do know one and one is two
B (x2444x@1)                     EAnd (022100@1)if this one could be with you
            F# (244322@1)                          BWhat (x2444x@1)a wonderful world this would be

F# (244322@1)           BNow, (x2444x@1)I don't claim to be an A student
F# (244322@1)          BBut (x2444x@1)I'm trying to be
E (022100@1)                      BFor (x2444x@1)maybe by being an A student, baby
F#I (244322@1)can win your love for me

B (x2444x@1)                       G#mDon't (133111@4)know much about history
E (022100@1)              F#Don't (244322@1)know much biology
B (x2444x@1)                         G#mDon't (133111@4)know much about a science book
E (022100@1)                             F#Don't (244322@1)know much about the French I took

B (x2444x@1)                   EBut (022100@1)I do know one and one is two
B (x2444x@1)           EAnd (022100@1)if this one could be with you
            F# (244322@1)               BWhat (x2444x@1)a wonderful world this would be

B (x2444x@1)               G#mLa (133111@4)ta ta ta ta ta ta (History)
E (022100@1)              F#Hmm-mm-mm (244322@1)(Biology)
B (x2444x@1)                   G#mLa (133111@4)ta ta ta ta ta ta (Science book)
E (022100@1)                 F#Hmm-mm-mm (244322@1)(French I took)

B (x2444x@1)                             EYeah, (022100@1)but I do know one and one is two
B (x2444x@1)                    EAnd (022100@1)if this one could be with you
            F# (244322@1)                        BWhat (x2444x@1)a wonderful world this would be