He his knowledge of radio just by standing around the radio station.
A. picked out
B. picked up
C. took out
D. took up
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You should have in your ability to succeed.
A. respect
B. influence
C. effect
D. faith
The twins were dressed in blue jeans so I couldn’t tell who was who.
A. like
B. likely
C. alike
D. liking
With their great care, she was finally able to the wounds from her difficult past.
A. fix
B. mend
C. check
D. cover
The speed of light is greater than of sound.
A. this
B. that
C. these
D. those