问题
选择题
. She ought to stop work; she has a headache because she ____ all day long.
A．has been reading
B．had read
C．is reading
D．Read
答案
答案：A
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. She ought to stop work; she has a headache because she ____ all day long.
A．has been reading
B．had read
C．is reading
D．Read
答案：A