CONTENTSUNIT ⅠDRILL 1 1
DRILL 2 4
DRILL 3 7
DRILL 4 10
DRILL 5 13
READING Ⅰ 17
UNIT ⅡDRILL 6 23
DRILL 7 26
DRILL 8 29
DRILL 9 32
DRILL 10 35
READING Ⅱ 39
UNIT ⅢDRILL 11 44
DRILL 12 47
DRILL 13 50
DRILL 14 53
DRILL 15 56
READING Ⅲ 60
UNIT ⅣDRILL 16 65
DRILL 17 68
DRILL 18 71
DRILL 19 74
DRILL 20 77
READING Ⅳ 81
UNIT ⅤDRILL 21 86
DRILL 22 89
DRILL 23 92
DRILL 24 95
DRILL 25 98
READING Ⅴ 102
UNIT ⅥDRILL 26 108
DRILL 27 ⅢDRILL 28 114
DRILL 29 118
DRILL 30 121
READING Ⅵ 124
INDFX OF IDIOMS 130