1 a bit， a little， for a bit， for a little， quite a bit， quite a little，not a bit， not a little
2 a couple of， a pair of
3 a few， not a few， a little， not a little
4 a good many（of）， a number of， a good few， quite a few， a great many， a score of， scores of， numbers of， a good number of，a large number of
5 a great deal（of）， a good deal（of）， an amount of， quite a little，a huge amount of， a large amount of， large amounts of， a great amount of.
6 a kind of， a sort of， kind of， of...kind， of a kind， of this sort， of that sort， sort of， of a sort， of sorts
7 a lot of， lots of， a large quantity， plenty of， a pile of， piles of， a great quantity， large quantities， great quantities， quantities of
8 a number of， numbers of， the number of
9 a part of， part of
10 act as， work as
11 add to， add...to， add up， add up to
12 adhere to， stick to， stick by
13 over again， all over again， once again， once more， again and again， once and again， over and over， over and over again，time and again， time and time again
14 agree about， agree on， agree upon， agree to， agree with
15 aim at， aim for
16 all kinds of， all sorts of
17 all one's life， in life， for life
18 all right， that's all right， that's right
19 all round， all around， here and there
20 all the time， at all times， at times
21 and so on， and so forth， and the like， and what not， et cetera；etc.， et al.
22 angry about， angry at， angry with
23 any one， anyone， anybody
24 as a matter of fact， in fact， in point of fact
25 as for， as to， as regards， in regard to， with regard to
26 as good as， as well as， as well
27 as if， as though
28 as it is， as they are， as it was， as it were
29 as well as， not only...but also
30 ask after， ask for， ask about
31 at dawn， at daybreak， at sunrise
32 at dusk， at sundown， at sunset， at twilight
33 at first， at the first， first of all
34 at hand， by hand， in hand， on hand， on one's hand， to hand
35 at last， at long last， in the end， at length
36 at least， at the least， in the least， at all
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