题目内容
句型转换。根据要求改写句子,每空一词
I don't know what I should do with the letter.
(改为简单句)I don't know what ________ ________ with the letter.
答案:to;do
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题目内容
句型转换。根据要求改写句子,每空一词
I don't know what I should do with the letter.
(改为简单句)I don't know what ________ ________ with the letter.