28. The Earth Day of April 22 is celebrated annually since 1970 to demonstrate support
for environmental protection and to remind humans ____ the significance of ecological sustainability on our mother Earth.
(A) of
(B) with
(C) as
(D) in
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統計: A(130), B(15), C(3), D(9), E(0) #597941
統計: A(130), B(15), C(3), D(9), E(0) #597941
詳解 (共 2 筆)
#1030293
sustainability
KK [sə͵stenəˋbɪlɪtɪ] DJ [sə͵steinəˋbiliti]
持續性;能維持性;永續性
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0