Tony is talking about the friends and food ____ interest him.
A. which
B. who
C. that
D. as
Opposite the square is a very tall building, ____ top is well above the top of the others.
A. its
B. whose
C. which
D. that
Tom had an argument with Bill, ____ was known to all.
A. what
B. that
C. this
D. which
Our college has a large collection of books, ____ are in English.
A. many of which
B. many of them
C. many ones
D. their many
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