阿摩線上測驗
19. Scientists defines the melting point as the temperature______ a solid changes to a liquid.
(A) which
(B) when
(C) which at
(D) of
(E) at which
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統計： A(5), B(38), C(6), D(2), E(104) #923102
統計： A(5), B(38), C(6), D(2), E(104) #923102
詳解 (共 1 筆)
dudu
#5869678
「at a temperature of 」is the most popular phrase
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