Ответ:

  1. My friend Joe is very active. — c He never sits down.
  2. My brother is really lazy. — b He makes everyone laugh.
  3. Mum is sociable. — e She always talks about important things.
  4. My sister is quite shy. — g She doesn’t like meeting new people.
  5. Our teacher is very cheerful. — a She is always smiling.
  6. My grandma’s so kind. — d She’s generous and cares about us.
  7. My uncle is so funny. — f He never wants to work.
  8. My dad is quite serious. — h She loves parties with lots of people.

Примечание: в напечатанном упражнении некоторые варианты, по смыслу, очевидно, перепутаны с местоимениями или характеристиками. Корректные смысловые пары: active — never sits down; lazy — never wants to work; sociable — loves parties with lots of people; shy — doesn’t like meeting new people; cheerful — always smiling; kind — generous and cares about us; funny — makes everyone laugh; serious — talks about important things.