That's the classroom he once studied. [ ] A．when B．where C．why D．whose
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That's the classroom ________ he once studied.
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A．when | B．where | C．why | D．whose |
试题答案
答案：B
That's the classroom ________ he once studied.
[]
A．when | B．where | C．why | D．whose |
答案：B