[SC. ] OG12#84 Often visible as smog....
84. Often visible as smog, ozone is formed in the
atmosphere from hydrocarbons and nitrogen oxides,
two major pollutants emitted by automobiles, react
with sunlight.
(A) ozone is formed in the atmosphere from
(B) ozone is formed in the atmosphere when
(C) ozone is formed in the atmosphere, and when
(D) ozone, formed in the atmosphere when
(E) ozone, formed in the atmosphere from
想請問(C)中 "and when" 有一定錯嗎?
還是說 獨立子句1, and 獨立子句2.... ",and"是連接兩個獨立子句用法
"when" 是adv conj 連接從屬子句,和main clause有 dependent 概念
所以, and when 是錯的?
感恩感恩 :)
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