It was in the lab ______ was taken charge of by Professor Harris _______ they did the experiment.
#84771
A
which, that
B
that, where
C
where, that
D
which, where
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— In which part of the play was ________ your brother appeared? — In the last ten minutes.
#85308
A
that where
B
this when
C
it that
D
it where
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
—________ you write so well?—By reading and keeping diaries every day.
#84710
A
How is it that
B
Is it how that
C
How it is that
D
What is it that
— Why did the dinner party start so late last night?— It was _____ that caused him to serve dinner an hour later than usual.
#85460
A
we were late
B
we being late
C
our being late
D
because we were late
I really don’t know _________ I put my wallet after I paid the bill．
#84766
A
where was it
B
it was where that
C
where was it that
D
where it was that