1.a, one
2.a great deal, a great many
3.a number of, the number of
4.above, over
5.accident, incident.
6.act, action
7.addressee, addresser
8.adventure, venture
9.ago, before
10.affect, effect
11.agree to, agree with
12.almost, nearly
13.already, all ready
14.always, often
15.always, all ways
16.anyone, any one
17.apiece, a piece
18.Arab, Arabian, Arabic
19.arrive at, arrive in
20.as, like
21.as far as, so far as
22.as fast as, as soon as
23.as it was, as it were
24.assure, ensure, insure
25.at, in, on
26.at a distance, from a distance, in the distance
27.at hand, by hand, in hand, on hand, to hand
28.at present, for the present
29.at table, at the table
30.at the same time, in the same time
31.attend the meeting, attend to the meeting
32.awake, awaken, wake, waken
33.avocation, vocation
34.baggage, luggage
35.base, basis
36.because, for
37.before long, long before
38.behind time, behind the times
39.beside, besides
40.besides, except
41.between, among
42.blackboard, black board
43.born, borne
44.brothers, brethren
45.burned, burnt
46.by one o'clock, till one o'clock
47.can, be able to
48.can, may
49.cannot do it, cannot but do it
50.Catholic, catholic
51.childish, childlike
52.China's, Chinese
53.clean, cleanly
54.cloth, clothe, clothes
55.compare to, compare with
56.continual, continuous
……
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