[A]leave
[B]visit
[Clstay
[D]travel
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I ______ writing the article by the time you get back.
[ A] shall finish
[ B ] must have finished
[ C ] have finished
[ D ] shall have finished
[ A] crazily
[ B ] excitedly
[ C ] curiously
[ D ] directly
[A] at
[B] for
[C] over
[ D] on
[ A] worrying
[ B] doubting
[ C] caring
[ D] boasting