题目内容
9、The number of registered participants in this year’d marathon was half ．
A．of last year’s B．those of last year’s
C．that of last year’s D．of those of last year
试题答案
9、C
相关题目
The number of registered participants in this year’d marathon was half ．
A．of last year’s B．those of last year’s
C．that of last year’s D．of those of last year
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