Combobox excel clear entry

Hello,
I want to include combobox2and combobox3 to clear the rest of the textbox. How to specify that with the code below?

So far, it only clear textboxes.

Thanks.

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Hi davesexcel,

thank you. It worked.
But One more issue that when I click the "UNDO" button is not bringing back the combobox with the rest of the textbox.

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