2.
D. fourth
D. fifth
A. third
B. second
C. octave
D. third
3.
A. prime
B. fifth
C. AGED
A. ACED
4.
D. CAGE
B. FACE
![2D FourthD FifthA ThirdB SecondC OctaveD Third3A PrimeB FifthC AGEDA ACED4D CAGEB FACE class=](https://ph-static.z-dn.net/files/d03/19608355936fa36558c8476c2df4ca9d.jpg)