Unit1 a------achieve
a(n) abandon ability
able abnormal aboard abolish abortion about
above abroad abrupt absence absent absent-minded
absolute
absolutely
absorb
abostract
absurd
abundant
abuse
academic
academy
accelerate
accent
accept
acceptable
acceptance
access
accessible
accident
accidentally
accommodation
accompany
account
accountant
accumulate
accuracy
accurate
accuse
accustomed
ache
achieve
Unit2 achievement-------affair
achievement acid acknowledge acquaintance acquire acquisition acre across
act
action active activity actor actress actual actually acute ad
AD
adapt
adaptation
add
addict
addicted
addiction
addition
address
adequate
adjust
adjustment
administration
admirable
admire
admission
admit
adolescence
adolescent
adopt
adore
adult
advance
advanced
advantage
adventure
advertise
advertisement
advice
advise
advocate
aeroplane
affair
Unit3 affect------analyse
affect affection afford affordably afraid Africa African after afternoon afterward(s) again against age
aged agency agenda agent aggressive ago
agree agreement
agricultural
agriculture
ah
ahead
aid
AIDS
aim
air
aircraft
airline
airmail
airplane
airport
airspace
alarm
album
alcohol
alcoholic
algebra
alien
alike
alive
all
allergic
alley
allocate
allow
allowance
almost
alone
along
alongside
aloud
alphabet
already
also
although
altitude
altogether
aluminum always A.M./a.m. amateur amaze amazed amazing
ambassador
ambassadress
ambiguous
ambition
ambulance
America
among
amount
ample
amuse
amusement
analyse/analyze Unit4 analysis------appreciation
analysis ancestor anchor ancient and anecdote angel anger angle angry animal ankle anniversary
announce
annoy
annoyed
annual
anonymous
another
answer
ant
Antarctic
Antarctica
antique
anxiety
anxious
any
anyhow
anyone
anything
anyway
anywhere
apart
apartment
apologize
apology
