a bit
a collection of
a couple of
a few （of）
a flow of
a good/great deal （of）
a good/great many
A is/was...times as...as B/ A is/was...times the size of B
A lack of
a （large/great） quantity of
a （large/great） number of
a little（of）
a lot of/lots of
a means of
a piece of cake
a second
a series of
a variety of
a waste of
above all
according to
act as
act on/upon
adapt （oneself） to
add （...） to
add up
add up to
after all
agree about/on
agree to
agree with
ahead of
all at once
all in all
（all） k：inds/sorts of
all of a sudden
all right
all the time
all the way/the whole way
allow for
allow/perm it sb to do
along with
an average of
an/the answer to sb/sth
and so on/and so forth （and） what's more
answer for
apart from
appeal to
argue （with sb） about/ on/over
arouse...from
arrive at
as a matter of fact
as a result （of）
as a rule
as a whole
as/so...as
as early as
as follows
as for
as if lthough
as many as
as much （as）
as soon as
as to
as usual
as well
as well as
as...as possible
as/so far as
as/so long as
ask for
at a time
at all
at best
atfirst
athome
at least
atlength
at no time
at one time
at its/one's best
at present
atrisk
at the beginning （of）
at the end of
at the foot of
at the mercy of
at the moment
at the time （of）
attimes
attach （...） to
base...on/upon
be a success
be about to do sth
be accessible to
be afraid
beagainst
be anxious about/for
be astonished to
be attracted to
be busy （in） doing
be busy with sth
be careful
be concemed about/for
be convinced of
be covered with/by
be curious about
be determined
be different from/to/than
bedoing...when
（be） dressed in
be economical of
be/get familiar with
be famous for
be fond of
be free from/of
be friendly to
be/fall in love （with sb）
be in the bath
be in/fall into/get into the habit of
be in/within sight （of）
be in/out ofuse
be interested in
be known as
be likely to （do sth）
be made oflfrom
be made up of
be of importance
be of one/the same mind （about/on sb/sth）
be on the go
（be） out of shape
be particular about
be popular with
be related to
be seated
be sensitive to
be similar to
be strict in
be supposed to （do sth）
be sure
be/get tired of
be to blame （for）
be to sb's credit/do sb credit
be/have to do with
be too much （for）
be typical of
be under control/bring sth under control
be under way
be up to sb/sth
be up to date
be/get used to
because of
before long
believein
believe it or not
belong to
between you and me
beyond/out of （one's/the） reach
beyond/out of/without question
beyond repair
beyond words
blow down
blowup
borrow...from
break away （from）
break down
break in
break in to
break into pieces
break off
break out
breakup
bring about
bring down
bringin
bring out
bring up
build up
burn up
burst into
but for
by accident/chance
by all means
by heart
by means of
by mistake
by name
by nature
by next week/month/year
by no means
by one self
by sea
by the time
by way of
by/in contrast （with）
by/through the back door
call at
call for
call in
call off
call on
call out
call up
can never...too/cannot...too
can/could not help （doingsth）
care about
care for
carry on （with）
carry out
catch fire
catch sight/a glimpse of
catch up with
change for the better/worse
change/alter beyond/ out of （all） recognition
check out
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