.The largest collection ever found in England was one of about 2000,000 silver pennies,all of _____ over 600 years old.A.whichB.itC.thatD.them选D,望解析
问题描述：
.The largest collection ever found in England was one of about 2000,000 silver pennies,all of _____ over 600 years old.
A.which
B.it
C.that
D.them
选D,望解析
答
them
答
选a ,语感
答
空格说指的应该是silver pennies,故只能用复数,就排除了B.C
all of _____ over 600 years old.如果这个句子前面是句号,则要用which,逗号的话就用them
答
这个很明显的选D啊！用which的话，不用all of，it和that明显错误！them刚好代替silver pennies。
注意：这个可以用逗号隔开两部分，因为后面部分是补语，补充说明作用。