It was about 600 years ago __________ the first clock was made.
#85410
A
that
B
until
C
before
D
when
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It was in the lab _____ was taken charge by Professor Wang ______ they did the experiment.
#85094
A
where, that
B
that, which
C
that, where
D
which, that
It was on a cold winter evening _____ his father left home and was never back.
#85338
A
where
B
when
C
which
D
that
It was not until she got home _______Jennifer had realized she had lost her keys.
#85074
A
where
B
that
C
when
D
before
It was ___ the quality of life in the future ___ I took this training course, not just to make more money.
#84786
A
to improve; that
B
improving ; when
C
to improve; when
D
improving ; that
I have always been honest and straight forward, and it doesn’t matter ____that I’m talking to.
#85246
A
who is it
B
who it is
C
it is who
D
it is whom