求翻译：(3) i am..: a teacher was testing her pupils on english grammar. "who can make a sentence beginning with i" she asked the class. lots of girls put their hands up, and the teacher chose one of them. the girl began, "i is.." "no" the teacher said. "you must say i am" "ok. i am the ninth letter of the alphabet"是什么意思？

待解决 悬赏分：1 - 离问题结束还有