________ 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
The 30th Olympic Games _____ in London．
#103512
A
will take its place
B
will happen
C
is to be held
D
will be held
----- Where was I ? ------ You _________you didn’t like your father’s job.
#103414
A
had said
B
said
C
were saying
D
had been saying
Although medical science ______ control over several dangerous diseases, what worries us is that some of them are returning.
#104618
A
achieved
B
has achieved
C
will achieve
D
had achieved
It was not until 3 days later that the boy came back to life and explained to the police what_______ to him.
#102572
A
was happening
B
was to happen
C
had happened
D
has happened
Just look at the room. My roommate ____ up his clothes.
#104840
A
is never hanging
B
will never hang
C
never hangs
D
never hanged