The question that puzzles them is ___they can finish the work on time. 
#84854
A
what it is that
B
what is it that
C
how is it that
D
how it is that
推荐题目
—____ you got to know I traveled to USA?—Through one of your colleagues.
#85391
A
Where it was that
B
When was it that
C
How was it that
D
Why was it that
I can’t quite remember ________ I was taken to Beijing.
#85088
A
that it was when
B
when it was that
C
when was it that
D
that was it when