until 和before 有区别吗题:this book was so interesting that he read it for three hours ____ he realized it.a.when b.until c.after d.before

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until 和before 有区别吗题:this book was so interesting that he read it for three hours ____ he realized it.a.when b.until c.after d.before

until 和before 有区别吗题:this book was so interesting that he read it for three hours ____ he realized it.a.when b.until c.after d.before
until 和before 有区别吗
题:this book was so interesting that he read it for three hours ____ he realized it.
a.when b.until c.after d.before

until 和before 有区别吗题:this book was so interesting that he read it for three hours ____ he realized it.a.when b.until c.after d.before
选择B :until
before只是陈述以前的事实,用until则着重后来的变化情况.
阅读在理解前面,而realized是阅读的结果.

d
不然翻译不通顺啊,我觉得D比较合适