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高中英语
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单选题
1.
(2018高一上·扬州月考)
The largest collection ever found in England was one of about 200,000 silver pennies, and ______ were over 600 years old.
A .
all of them
B .
all of which
C .
all of whom
D .
they all
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2023年高二英语语法配套练习:18 并列句