It was about 600 years ago _______ the first clock with a face and an hour hand was made.
#85210
A
that
B
until
C
before
D
when
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I’ve already forgotten    you bought the dictionary.
#84731
A
that it was when
B
that was it when
C
when was it that
D
when it was that
Was it not until you began to work ___ how much time you had wasted?
#85385
A
did you realize
B
that you realized
C
did you not realize
D
that you didn’t realize
I really don’t know ___ ___I kept the secret papers.
#85213
A
where was it
B
it was where that
C
where it was that
D
where was it that