欧美日韩黄网欧美日韩日B片|二区无码视频网站|欧美AAAA小视频|久久99爱视频播放|日本久久成人免费视频|性交黄色毛片特黄色性交毛片|91久久伊人日韩插穴|国产三级A片电影网站|亚州无码成人激情视频|国产又黄又粗又猛又爽的

Charles Babbage is generally considered the first computer. A. to invent B. inventing C. to have invented D. having invented 【查看更多】

 

題目列表(包括答案和解析)

Charles Babbage is generally considered ________ the first computer.

A. to invent     B. inventing     C. to have invented     D. having invented

查看答案和解析>>

Charles Babbage is generally considered______-the first computer.

          A. to invent   B .inventing   C. to have invented   D. having invented

查看答案和解析>>

Charles Babbage is generally considered _____ the first computer.
[     ]
A. to invent       
B. inventing    
C. to have invented
D. having invented

查看答案和解析>>

Charles Babbage is generally considered ________ the first computer.   
[     ]
A. to invent        
B. inventing   
C. to have invented    
D. having invented

查看答案和解析>>

Charles Babbage is generally considered _____ the first computer.

[     ]

A. to invent
B. inventing
C. to have invented
D. having invented

查看答案和解析>>


同步練習冊答案