2. 外语
  3. Which of the following sentences expresses a fact?

Which of the following sentences expresses a fact?

admin2013-08-27  47
问题 Which of the following sentences expresses a fact?
选项 A、Mary and her son must be home by now.
B、Careless reading must give poor results.
C、He must be working late at the office.
D、It’s getting late, and I must leave now.
答案B
解析 情态动词题。情态动词must可表示“必须，必要”等，选项[D]“天色晚了，我必须得走了”符合此意，排除；must也可以表示肯定性推测，选项[A]“玛丽和她儿子现在应该到家了”和选项[C]“他肯定在办公室工作到很晚”，均符合此意，排除。must在特殊语境下，还可以表示对某种事实的强调，因此选项[B]“阅读不仔细必然会有差结果”为答案。
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