one at a time is
题目
one at a time is
这句话出自剑桥少儿英语：
after each model sentence is given,group members quickly make similar sentences,one at a time is up.then count each group's sentences and decide the winner.
答案
一次最多只能拿一个例句
举一反三
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我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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