Wecouldhardlyseeanytreesheretenyearsago,butnow　　　　ofthi...

問題詳情：

We could hardly see any trees here ten years ago, but now　　　　 of this area　　　　covered by trees.　

A. two-thirds; is　　　　 B. two-threes; are　　　　

C. two-thirds; are　　　　 D. twos-third; is

【回答】

A 

知識點：數詞 量詞

題型：選擇題