1. efficient
effective
effectual
professional
2. a) extraordinary
b) unexpected
c) surprising
d) astonishing
3. a) receiver
b) recipient
c) beneficiary
d) 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