当前位置：首页 >
英语语法(00831) > 正文内容
______printing had not been invented,we would not have books and civilization would be thousands of years behind.
______printing had not been invented,we would not have books and civilization would be thousands of years behind.
A.When
B.Before
C.Though
D.If
正确答案是D
扫描二维码免费使用微信小程序搜题/刷题/查看解析。
版权声明：本文由翰林刷题小程序授权发布，如需转载请注明出处。