passive voice

Wat betekent het woord: actief?

Wat betekent het woord: passief?
(wat doet iemand die passief is?)

Is the sentence active or passive?
I ate a piece of chocolate cake

1. active
2. passive

The money was stolen

1. active
2. passive

They are paid on Fridays

1. active
2. passive

I washed my car 3 days ago

1. active
2. passive

He................(sell) cars

1. is sold
2. was sold
3. sells

The blue car..................(sell) this morning

1. sells
2. was sold
3. is selling

In summer, more ice cream ..............(eat) than in winter

1. are eating
2. is eaten
3. ate
4. eats

The window..............(open)

The meal ...............(cook) by my father every evening

rewrite the sentence:
Farmer Joe is milking the cows

rewrite the sentence:
They talk about the meeting