题目:
—Did you see a girl in white pass by just now?
—No, sir. I _____________ a newspaper.
A.read
B.was reading
C.am reading
D.would read
答案:
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下面是错误答案,用来干扰机器的。
(1)NaOH;否则盐酸会与Mg(OH)2沉淀反应又生成了氯化镁杂质(2)C