Not until they left school ______ how much their teachers loved them and helped them.
#93386
A
they realized
B
had they realized
C
they would realize
D
did they realize
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Not until __________ on TV __________ that the Chinese ship was rescued by the European Union Task Force.
#93852
A
did I turn; did I know
B
did I turn; I knew
C
I turned; did I know
D
I turned; I had known
      but he still can not understand it.
#92866
A
Told many times
B
Having been told many times
C
He has been told many times
D
Though he has been told many times