______ a certain doubt among the people as to the practical value of the project.
#95174
A
It has
B
They have
C
It remains
D
There remains
推荐题目
The students ages ____ 15 to 18.
#92794
A
range
B
ranged
C
range from
D
ranges from
 He is taller than he ________.
#94797
A
used
B
used to be
C
used to
D
used to do
Rather than _____ on a crowded bus, he always perfers _____ a bike.
#94696
A
ride; ride  
B
riding; ride
C
ride; to ride
D
to ride; riding