2. Fill in the blanks with 'have', 'has', 'haven't', or 'hasn't'.

1. Has your friend got a camera in his schoolbag? No, he hasn't. 2. We have got a great stamp collection. It is very interesting. 3. This hat has got shamrocks on it. They are green. 4. They haven't got tomatoes. They want to buy them in the supermarket.