A
a，an
a，an，one
abandon
ability
ability，capability，capacity，talent
able
about
about，of，on
above
above，beyond
above，on，over
abroad
absence
absent
absorb
absorb，suck
abundance，plenty
academy，college，school，university
accent
accent，noise，sound，voice
accept
accept，admit，take
accept，receive
access
accident，event，incident
accommodate
accommodate，adapt，adjust
accommodate，favor
accompany
accomplish，finish，complete
accord
account
accurate
accurate，exact
accurate，correct，right
accuse
accuse，charge
accustom
ache
ache，pain
achieve
achieve，arrive，reach
acknowledge
acquire，gain，get，obtain
across
across，over，through
act
act，behave
actual，real，true
adapt
adapt，fit
add
addition
address
adequate
adequate，enough，sufficient
adjust
administration
admire
admit
adopt
advance
advance，proceed，progress
advantage
advantage，benefit，profit
adventure
advice
advice，opinion，proposal，suggestion
advise
affair
affair，business，matter
affect
affection
afford
afford，provide，supply
afraid
afraid，frightened，terrified
after
after，behind
again
……
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y