He feels relaxed and even begins to whistle because of the distance covered．A.th
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He feels relaxed and even begins to whistle because ________ of the distance ________ covered．
A.three fifth; were
B.three fifth; was
C.three fifths; have been
D.three fifths; has been
试题答案
D
考查数词、语态、主谓一致。“五分之三”是three fifths；此处是把距离看成一个整体，所以谓语动词用单数。