When was it________you let out the secret?
#84936
A
which
B
what
C
that
D
why
推荐题目
---You didn’t lock the back door.一You are wrong．I .
#84912
A
have locked it
B
lock it myself
C
did lock it
D
do lock it
It was not until Susan came back ______her close friends were waiting for him.
#84823
A
which she knew
B
which did she know
C
that she knew
D
that did she know
It is only with the help of scientific research _____ bring PM1 air pollution under control.
#84662
A
that we will
B
we will
C
that we do
D
do we
“How was ______ they discovered the entrance to the underground palace?” “Totally by chance.”
#85532
A
it that
B
he that
C
it when
D
he which
It was not until I came here ____ I realized this place was famous for not only its beauty but also its weather.
#85133
A
who
B
that
C
where
D
before