1. efficient
effective
effectual
professional
2. extraordinary
unexpected
surprising
astonishing
3. receiver
recipient
beneficiary
addressee
4. a) demand
b) request
c) memo
d) message
5. a) disliked
b) hated
c) detested
d) disapproved
6. a) impact
b) effect
c) influence
d) impression
7. a) feeling
b) attitude
c) inclination
d) dislike
8. a) in
b) at
c) about
d) on
9. a) state
b) humour
c) disposition
d) mood
10. a) reaction
b) answer
c) reply
d) riposte
11. a) frustrating
b) irritating
c) vexing
d) disturbing
12. a) upon
b) by
c) onto
d) on
13. a) make
b) get
c) persuade
d) convince
14. a) within
b) beyond
c) in
d) inside
15. a) accomplished
b) skilled
c) expert
d) trained