EduGoog

I : Insert : : Active : II
      I.  [A] Static  [B] Statics  [C] Helium  [D] Air
     II.  [P] Gymnast  [Q] Dynamic  [R] Participation  [S] Smart

Option:
A. AQ
B. BP
C. CR
D. DS
Answer: A . AQ

Justification:

The words in each pair are synonyms.

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