4. Complete the dialogue: T: Hi Andrew! Why are so worried? A: Hi Tom! I want to buy a camera and I don't know which one to choose. T: A: T: A: T: A:

T: What kind of camera do you need? A: I need a camera for taking pictures of landscapes. T: I think you should buy a digital camera. They are great for landscapes. A: I don't know, digital cameras are expensive. T: Yes, but the picture quality is excellent. A: Ok, I'll buy a digital camera.