文语站

位置:首页 > 习题库 > 

Thiscompanywasthefirst

习题库1.19W

问题详情:

Thiscompanywasthefirst

This company was the first ____ portable radios as well as cassette tape recorders in the world.>> A. producingB. to produceC. having producedD. produced

【回答】

B

知识点:非谓语动词

题型:选择题

标签: