It was she that ________a sharp whistle, which makes ________possible for us to catch the thief.
#85407
A
gave off; this
B
gave out; that
C
gave; it
D
sent out; them
推荐题目
It was not until 1911, _______ the first vitamin was identified, _______ people realized the importance of it．
#85155
A
when; which
B
when; that
C
that; which
D
that; that
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
It is not until the disease has progressed to AIDS ____a person begins to look sick.
#85053
A
who
B
that
C
where
D
before
.It was in the 1990s _______ we were working together ____ we made friends with each other.
#85314
A
that; when
B
when; that
C
that; that
D
when; when