Jack, as well as the other four students, _______how to install this electric equipment by now.
A.has learned
B.are leaming
C.learns
D.are to learn
正确答案是A
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。
本文链接:https://doc.20230611.cn/post/267592.html
上一篇:简述建设项目环境保护的“三同时”制度。
下一篇:请简述信用证结算方式的三个特点。