SAT WRITING QNS (HARD) URGENT HELP PLEASE! THANKS!!!

SATscorer
Fri, 02 Oct 2015 09:55:37 +0000

Although she (enjoyed traveling) to different countries, Sophia (made it a point) never to visit a place (where) citizens were (denied of) the right to free speech. (No error)

Before (becoming) deputy director of the Johnson Space Center, Ellen Ochoa took (part in) four space flights, (which she logged) more than 950 hours (as) a mission specialist and flight engineer. (No error)

ANSWERS: D, C
(Some kind soul please explain to me why! Really appreciate your help! God bless you!)