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 near the end of the letter she mentioned her own plan.
#84861
A
that
B
where
C
why
D
when
It was only when I reread his poem recently ________ I began to appreciate their beauty.
#84653
A
until
B
then
C
that
D
so
----Where did you put the broom,Tom? -----I _______it behind the door．But now it is gone．
#85351
A
do put
B
do putting
C
did to put
D
did put
It’s not how much we do but how much love we put into what we do _____ benefits our work most.
#85211
A
who
B
which
C
that
D
what
---- Is it in that factory __________ “Red Flag” cars are produced? ---- No, they are produced in our factory.
#85006
A
inwhich
B
where
C
which
D
that