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
答案：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