. I think ______ of the materials I listened to at the beginning of the exam ______ easy.
| A．three fourths, is | B．third four, are | C．three fourths, are | D．three fourth, are |
. I think ______ of the materials I listened to at the beginning of the exam ______ easy.
| A．three fourths, is | B．third four, are | C．three fourths, are | D．three fourth, are |
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