.Although it had been______ struggle for him to finish the experiment, he enjoyed the result with________ satisfaction.
Christmas is drawing near. Shops have started to __________ Christmas decorations.
Because of my poor health, I have to __________ this long expected trip.
The camera was __________ by his son and he had to have it repaired.
My grandfather always forgets __________ the keys but he always says that he remembers __________ it.
__________to that piece of music always makes her feel happy.