题目内容
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[单选题]
She was in the middle of telling me the news ________ a cloud came over her face.
A.where
B.why
C.when
D.while
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Where do fatigue failures of wire rope mooring lines usually occur ________．
A.In the middle part of the line length
B.Near the socketed end fitting adjacent to the anchor
C.At the point where the line touches the bottom
D.At the place the anchor buoy is attached to the line
