1. Our summer camp is for ______between the ages of 10 and 16.
(A) adults
(B) elders
(C) babies
(D) youngsters
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統計: A(65), B(56), C(35), D(908), E(0) #1584546
統計: A(65), B(56), C(35), D(908), E(0) #1584546