单选题
英语运用能力测试
2011-10-20
She ought to stop work; she has a headache because she ________ too long.
A.has been reading
B.had read
C.is reading
D.read
参考答案
A
答案解析
根据主句时态为一般现在时,再根据时间状语too 1on9可排除其他选项。
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