问题描述：
英语首字母填单词
He is very k______ and always help us with our subjeccts
As a tezcher,you must be k______about your subjects.
9点之前解决
He is very k______ and always help us with our subjeccts
As a tezcher,you must be k______about your subjects.
9点之前解决
问题解答：
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