日本成人片在线_久久免费精品视频_国产午夜精品久久久久久免费视_校花撩起jk露出白色内裤国产精品_av影片免费在线观看_国产小视频在线看_最新av免费在线观看_99久久99久久精品国产片_欧美成人猛片aaaaaaa_蜜桃免费网站一区二区三区

The most important thing about cotton in history is ______part that it played in ______ Industrial Revolution. 　

A. 不填；不填 B. the; 不填　　C. the; the D. a; the

The most important thing about cotton in history is ___part that it played in ____Industrial Revolution.

 A. /,/     B. the,/     C. the , the    D. a ,the

The most important thing about cotton in history is _____ part that it played in ____ Industrial Revolution.

   A．/; /             B．the; /       C．the; the     D．a(chǎn); the

The most important thing about cotton in history is _____ part that it played in _____ Industrial Revolution.

 A．不填；不填  B．the；不填   C． the; the   D．a(chǎn); the

The most important thing about cotton in history is ______part that it played in ______ Industrial Revolution. 　

A. 不填；不填 B. the; 不填　　C. the; the D. a; the

The most important thing about cotton in history is ___part that it played in ____Industrial Revolution.

 A. /,/     B. the,/     C. the , the    D. a ,the

The most important thing about cotton in history is _____ part that it played in _____ Industrial Revolution.

 A．不填；不填       B．the；不填          C． the; the           D．a(chǎn); the

The most important thing about cotton in history is _____ part that it played in ____ Industrial Revolution．

     A．/; /           B．the; /           C．the; the          D．a(chǎn); the

 The most important thing about cotton in history is ______part that it played in _______Industrial Revolution.

The most important thing about cotton in history is ___part that it played in ____Industrial Revolution.

  A. /,/                B. the,/        C. the , the            D. a ,the