题干

The largest collection ever found in England was one of about 200,000 silver pennies, and ______ were over 600 years old.
A.all of themB.all of which
C.all of whomD.they all
上一题 下一题 0.65难度 单项选择 更新时间:2018-10-22 09:17:55

答案(点此获取答案解析)