32. One reason that fireflies __________ is to attract a mate. Males and
females of the same species will flash signals back and forth as a way of
communicating.
(A)blow
(B) darken
(C) fasten
(D) glow
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統計: A(22), B(20), C(28), D(116), E(0) #1564471
統計: A(22), B(20), C(28), D(116), E(0) #1564471