It was only after he had read the papers    Mr. Gross realized the task Before him was extremely difficult to complete.
#84927
A
when
B
that
C
which
D
What
推荐题目
I really don’t know ___ ___I kept the secret papers.
#85213
A
where was it
B
it was where that
C
where it was that
D
where was it that
I really don’t know          I put my wallet after I paid the bill.
#84659
A
where was it
B
it was where that
C
where it was that
D
where was it that