________ 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
推荐题目
 Don’t call him at this time tomorrow, because he ________ a meeting with his teachers.
#99910
A
is having
B
is going to have
C
will be having
D
has been having
—What’s that noise,John?—Sorry,Linda.I forgot to tell you.The school library________.
#99403
A
is rebuilt
B
is being rebuilt
C
was rebuilt
D
has been rebuilt
The volleyball match will be put off if it _____.
#101345
A
will rain
B
rains
C
rained
D
is raining