---Three people got killed by two explosions.---When was __________?---________ was on April 15 __________ the 2013 Boston Marathon was being held．
#76612
A
that; It; when
B
this; This; that
C
this; It; when
D
that; It; that
推荐题目
BrainPOP is an educational program consisting of brief animated videos _____ a man named Tim and his robot friend Moby discuss various subjects.
#76882
A
in which
B
which
C
as
D
in that
---Where did you first meet your boyfriend?---It was in the department store ______ he worked.
#77777
A
which
B
that
C
what
D
where
It's helpful to put children in a situation ________ they can see themselves differently.
#77542
A
that
B
when
C
which
D
where
A turning point of the continuously high housing price won’t appear suddenly because there must be a certain process ______ many factors lead to the change.
#77014
A
which
B
what
C
where
D
that
The baby, _____health was ruined after taking the medicine, was only one year old.
#75715
A
which
B
whose
C
who
D
whom