Review the item:
Carol searched the kitchen for a midnight snack, finally finding a bag of stale chocolate chip cookies __________ on top the refrigerator.

The bag of cookies is resting on top the refrigerator. Thus, you need a form of lie. The blank requires a present participle.

Consult the table below or review the rules.

Lieing, the form you chose, does not appear on the table; it is a spelling error.

Infinitive Definition Simple
Present
Simple
Past
Past
Participle
Present
Participle
to lay to put something down lay(s) laid laid laying
to lie to rest or recline lie(s) lay lain lying

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