7. A series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series. CDE, IHG, KLM, QPO, STU, ?
8. A series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series. DEC, HIG, LMK, PQO, TUS, ?
9. A series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series. BCD, EFG, IJK, NOP, TUV ?