23. Stop using plastic straws（塑膠吸管）. Your small ＿＿＿ can help save the Earth.(A) action (B) space (C)

問題詳情

23. Stop using plastic straws（塑膠吸管）. Your small ＿＿＿ can help save the Earth.
(A) action
(B) space
(C) hit
(D) style