Fully ________ in my office work, I have little time for housework.
#95140
A
occupy
B
occupied
C
occupying
D
to occupy
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People are talking about the new play _______in two weeks.
#97419
A
to be put on
B
to put on
C
being put on
D
put on
 Though ______, many laws of nature exist.
#97974
A
not having been discovered
B
having not been discovered
C
not having discovered  
D
having not discovered