.You can’t see through the telescope until it ______  to your eyes.
#78306
A
contributed
B
guaranteed good
C
is similar
D
is adjusted to
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You’d better spend your time just on the things you find ______.
#68457
A
worth doing them   
B
worth being done
C
worthy of doing them  
D
worthy of being done
After he was promoted to the present position, he is not so hardworking as he ______. 
#73133
A
was used to
B
used to be
C
was used to being
D
used to