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Sour grapes 4
Comprehension Checkup Ⅰ 34
A wolf in sheep's clothing 38
Comprehension Checkup Ⅱ 68
Ill-judged rivalry 70
Comprehension Checkup Ⅲ 96
Birds of a feather flock together 98
Comprehension Checkup Ⅳ 122
Word List 128