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1. The aim is finding (часть составного именного сказуемого) new ways ofutilizing (определение) the polymers in light industry. 
2. Not long ago we began utilizing (часть составного глагольного сказуемого) hot underground water for heating (предложное дополнение).
3. Using (подлежащее) atomic fuel for the production of electricity is highly promising.
4. Producing (подлежащее) power is dependent mainly on the fuel and machinery available.
5. The burning (подлежещее) of fuel is one of the sources of obtaining(предложное дополнение) power.
Вот так?

a) They love  (watching) thrillers.  b) She prefers  (listening) to music rather than (watching) TV.  c) Do you like (going) to the cinema?  d) I prefer (walking) by the seaside.  e) They enjoy (playing) golf in summer.  f) What do they like (to do) in the evening?  g) I hate (geting) up early every day!  h) He loves (taking) photos.  i) We like (windsurfing) but we prefer (sailing).  j) My brother decided (not to practise) water polo.  k) Some people prefer (staing) home rather than (going) out.  l) I can´t stand (dealing) with rude people.  m) They are all able (to speak) several languages.  n) She didn’t deny (missing) school today.  o) We are good at (playing) tennis.  p) Before (refusing) he should think twice.  q) Was it necessary for him (to go) there himself?  r) The students ought to (follow) the school rules.  s) (painting) is one of her hobbies.  t) She enjoys (texting) her friends.  u) Do you want (to travel) with me to Rome?  v) Teenagers hate (being) controlled.  w) Can you avoid (interrupting) me now?  x) It’s bad for his health (drinking) so much.  y) Try (not to forget) the doctor’s name.  z) She’s glad (to meet) her friend after such a long time.