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 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.

I think ____ of the materials I listened to at the beginning of the exam ____ easy.

— I think ______ of the materials I listened to at the beginning of the exam ______ easy.

?? — I think so.

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