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
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It was not until 2010, _______his son took over the company, _______ the crisis was dealt with.
#85297
A
when; that
B
that; that
C
that; where
D
when; where
It's on the festival occasions________ the family get together________ he misses his late father.
#84987
A
where; that
B
which; when
C
when; that
D
that; when
I can’t quite remember ________ I was taken to Beijing.
#85088
A
that it was when
B
when it was that
C
when was it that
D
that was it when