Unit 1 - a, b, c, d
Unit 2 - e, f, g, h
Unit 3 - i, j, k, l
Unit 4 - m, n, o, p
Unit 5 - qu, r, s, t, u
Unit 6 - v, w, x, y, z
Review 1 (Unit 1~6)
Unit 7 - a-e, ai, ay
Unit 8 - e-e, ee, ea, ey
Unit 9 - i-e, ie, igh
Unit 10 - o-e, oa, ow
Unit 11 - u-e, ue, ui
Review 2 (Unit 7~11)
Unit 12 - aw, au, al
Unit 13 - ce, ci, cy
Unit 14 - st, sp, sk, sc
Unit 15 - ch, sh, th
Unit 16 - ar, er, ir, or, ur
Unit 17 - oo, oi, oy
Review 3 (Unit 12~17)
Unit 18 - ou, ow
Unit 19 - br, cr, dr, tr
Unit 20 - bl, cl, pl
Unit 21 - gh, ge, gy, gi
Unit 22 - ck, ng, ph, wh
Unit 23 - y 的三種發音
Review 4 (Unit 18~23)
Review All (Unit 1~23)
解答
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