to hand in (to submit)

Eg 1:

A: Have you handed in your homework yet?

B: No, I haven’t. We don’t have to hand it in until next month, right?

Eg 2:

A: I found a wallet on the train, so I handed it in at the lost property office.

B: I’m sure the person who dropped it will be very grateful.

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Can you make a sentence using “hand in”?