Normal
Large galaxies such as the Milky Way grow by pulling in and swallowing galaxies that draw too close, so the study of small galaxies can shed light ---- how the giants of the cosmos came ---- being.A) at / toB) for / outC) in / overD) upon/ intoE) on / about
Large galaxies such as the Milky Way grow by pulling in and swallowing galaxies that draw too close, so the study of small galaxies can shed light ---- how the giants of the cosmos came ---- being.
A) at / to
B) for / out
C) in / over
D) upon/ into
E) on / about
