I can’t go to the theatre with you tomorrow. I will be engaged ________ a meeting.
A. in
B. on
C. with
D. for
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He likes to ________ in the park when he has nothing to do.
A. wonder
B. wander
C. consider
D. live
Not until after 3 days did he ________ that he had made a mistake.
A. think
B. conscious
C. show
D. realize
You have to ________ these materials better if you want to write the paper well.
A. receive
B. perform
C. organize
D. produce
Remember ________ the light when you leave the room.
A. turn off
B. to turn off
C. turning off
D. turned off