关于ThefirstcolorTVwasco的百科

• ThefirstcolorTVwasconstructedin1928,butitwasnotuntil193...

• 问题详情：ThefirstcolorTVwasconstructedin1928,butitwasnotuntil1938___________thefirstprogramwasbroadcast.  A.when            B.which           C.that           D.before【回答】C知识点：强调句题型：选择题...
• 2022-09-0627031