I wrote some postcards and emails.(改为否定句)如何改

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Iwrotesomepostcardsandemails.(改为否定句)如何改Iwrotesomepostcardsandemails.(改为否定句)如何改Iwrotesomepostcardsand

I wrote some postcards and emails.(改为否定句)如何改
I wrote some postcards and emails.(改为否定句)如何改

I wrote some postcards and emails.(改为否定句)如何改
I did't write any postcards and emails

I didn't write any postcards and emails.