题目内容
(请给出正确答案)
[单选题]
She ought to stop work; she has a headache because she () too long.
A.has been reading
B.had been reading
C.is reading
D.reads
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A.has been reading
B.had been reading
C.is reading
D.reads
A.Having seen
B.To see
C.Seeing
D.Seen
A.will to
B.should ought to
C.ought to
D.had ought to
A.should go
B.went
C.ought to go
D.would go
A. complex
B. radical
C. worthwhile
D. permanent
A.could
B.might
C.ought to
D.may
A.should have gone
B.need have gone
C.ought to have gone
D.must have gone