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
______ is it _____ has made Peter _____ he is today?
#85514
A
What; that; that
B
That; that; what
C
What; what; that
D
What; that; what
—_____bargaining is so interesting?—Sometimes it is a test to see who stand their ground for the longest.
#84889
A
What is it that
B
Why is it that
C
What it is that
D
Why it is that
It was          John          we won the game.
#85298
A
because; who
B
because of; whom
C
as; that
D
thanks to; that