Sperms become motile in:
C i.e. Epidydmis- Spermatogenesis & MeiosisQ occurs in seminiferous tubulesQ. Sperms are stored, matured and gain motility in epididymisQ. Capacitation of sperm occur in female genital tractQ.
Prostate
Seminal vesicles
Epididymis
Vas deferens