阿摩線上測驗
6. ____ heat waves have swept Europe and posed a serious threat to people’s health.
(A) Severe
(B) Modest
(C) Toxic
(D) Valid
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統計： A(374), B(12), C(32), D(31), E(0) #3154830
統計： A(374), B(12), C(32), D(31), E(0) #3154830
