2. 外语
  3. She ought to stop work; she has a headache because she ______ too long.

She ought to stop work; she has a headache because she ______ too long.

admin2012-07-22  65
问题 She ought to stop work; she has a headache because she ______ too long.
选项 A、has been reading
B、had read
C、is reading
D、read
答案A
解析 根据主句的时态，我们可以将B 和D 排除。由于这里要表达“她现在头疼”是“过去一直看书的结果”，强调的是过去对现在的“影响”，因此要使用现在完成时。A 为正确答案。例如：I have been puzzling my brains about this question for weeks now．对这个问题我已经苦苦思索了几个星期。I have been corresponding with him ever since I got to know him．自从认识他以来，我就一直与他通信。
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