___ took them quite some time to finish the job.
#17000
A
They
B
This
C
It
D
That
推荐题目
There is _______ wrong with your watch. Let me check it. 
#57351
A
something
B
everything
C
nothing
D
anything
She went to the bookstore and bought _________.
#17107
A
dozen books
B
dozens books
C
dozen of books
D
dozens of books