If we ________ one of the other uploading approaches, the process would have taken longer than one hour.
#86631
A
used 
B
had used
C
should use
D
would use
推荐题目
It’s a shame ______ able to give them any advice.  
#87215
A
not to have been
B
to have not been
C
to have been not
D
to not have been
I can't thank you _______ much because without your help I _______ have won the first prize.
#87045
A
too; wouldn't
B
very; shouldn't
C
that; might not
D
so; couldn't
I ________ sooner but I didn't know that they were waiting for me.
#86541
A
had come
B
was coming
C
would come
D
would have come