Задание - complete the sentences with the correct verbs

1. We ...... (earn / pay) a lot for luxury products, and celebrities ( earn / pay) a lot of money when they advertise them
2. The trainers are nice, but they ( afford / cost) too much. They're $ 50, so i can't ( afford / cost) them.
3. He wants to ( sell / buy) a new computer , but he has to ( sell / buy) his old one first .
4. Don't ( save / spend) all your money on clothes .You should ( save / spend) some for your future .
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