A.involveB.relateC.revolveD.relating
A. involve
B. relate
C. revolve
D. relating
A.assemblyB.assembledC.gatherD.gathering
A. assembly
B. assembled
C. gather
D. gathering
A.growingB.bringingC.feedingD.raising
A. growing
B. bringing
C. feeding
D. raising
A.inventB.developC.developingD.inventing
A. invent
B. develop
C. developing
D. inventing