________ a certain doubt among the people as to the practical value of the project.
#99564
A
It has
B
They have
C
It remains
D
There remains
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The task _______ by the time you come back.
#102593
A
has been completed
B
will have been completed
C
will complete
D
has completed
When and where to build the new factory ____yet.
#102379
A
is not decided
B
are not decided
C
has not decided
D
have not decided