Present Perfect - Fill in the blanks

Oh no! I ……………………………… (lose) my keys. I can‘t get into my house

Is “Harry Potter“ a good film? I don‘t know. I ... (not see) it yet.

The boys ... (miss) their bus.

Mr. Brown ... (open) the window.

The police office ... (stop) a car.

Garry ... (clean) his fathers car.

I ... (be) to Italy many times.

Mia ... (wash) her hands twic.

I ... (not finish) my homework.

The girl ... (laugh) about my joke.