题目内容
The largest collection ever found in England was one of about 200,000 silver coins, _____ over 600 years old．
A．all of which B．all of it C．all of that D．all of them
D
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题目内容
The largest collection ever found in England was one of about 200,000 silver coins, _____ over 600 years old．
A．all of which B．all of it C．all of that D．all of them
D