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－Mum,________ is my football?
－It's under your bed．
A．
what
B．
which
C．
when
D．
where
---Mum, ______ is my friend, Kate.---Nice to meet you.
－Mum, ________ is my football?
--- Mum, _______ is my friend, Jim. --- Nice to meet you.
A. that B. this C. he D. it
---Mum, _______ is my friend, Jim. ---Nice to meet you.