阿摩線上測驗
23. The boy tried to eat a grape whole but began to ________on it and have difficulty breathing.
(A) decide
(B) choke
(C) perish
(D) drown
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統計： A(2), B(20), C(0), D(4), E(0) #3988850
統計： A(2), B(20), C(0), D(4), E(0) #3988850
