阿摩線上測驗
24. _________ to sunlight too long without applying sunscreen, Regina got sunburnt.
(A) Expose
(B) Exposed
(C) Exposing
(D) To expose
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統計： A(33), B(204), C(127), D(14), E(0) #2562320
統計： A(33), B(204), C(127), D(14), E(0) #2562320
