[ Vocabulary ]
The rock fragment showed signs of _____ after it collided with the wall of the cave and got embedded.
A. impaction
B. avenue
C. connotation
D. execution

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Grammar › ViewThe piano is the musical instrumental ____ I can play.
A. who
B. where
C. when
D. which
Grammar - Reflexive Pronouns › View
My old television often turns off by ___________ .
A. itself
B. myself
C. yourself
D. herself
