(repeat) They tried to train the child, patiently and (a)   , to share toys.

(vary) The figure of the Ancient Mariner has been (a)   interpreted.

(vary) This island offers such a wide (a)   of scenery and wildlife.

(compete) Graduates have to fight for jobs in highly (a)   market.

(compete) None of the (a)   could catch up with the untiring runner who was in the lead.

(stress) Driving in (a)   conditions can lead to muscle fatigue and sudden accidents.

(ambitious) His (a)   is to sail round the world.

(ambition) She became more (a)   as the years passed.

(donate) Thank to a large gift from a (a)   , the charity was able to continue its work.

(success) He and his friend Boris were (a)   in getting a job so they decided to start their own business

(success) After having tried to pass her driving test for six years, she finally (a)  

(assistance) They are looking for volunteers to (a)   with passing out meals.

(assist) The company needs more financial (a)   from the government.

(donation) If we are to help faceless others by (a)   our organs, we must trust physicians.