when a total of 20 questions--------- (answer ) correctly,yo

问题描述:

when a total of 20 questions--------- (answer ) correctly,you will be the winner
1个回答 分类:英语 2014-10-02

问题解答:

我来补答
when a total of 20 questions (were answered) correctly, you will be the winner.
 
 
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