_____ has been described above, it is a general rule that solids expand as the temperature increases and contract when they are cooled.
A. It
B. As
C. That
D. Which
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The boss in _____ company Miss Read worked called at the hospital.
A. who’s
B. which
C. whose
D. this
He told me _____ had happened to him.
A. all
B. everything
C. all what
D. what
Susan is not the brilliant writer _____ she used to be.
A. which
B. that
C. who
D. whom
I, who _____ your friend, will try my best to help you.
A. be
B. am
C. are
D. is