题目内容
^ ) 5. of the problems worked out by the boy at last.
A. Three fourths;was B. Three fourths;were
C. Third fourths;was D. Third fourths;were
5.B5.B
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题目内容
^ ) 5. of the problems worked out by the boy at last.
A. Three fourths;was B. Three fourths;were
C. Third fourths;was D. Third fourths;were