初三英语语法题,
1.In1980s,peopleinthecountryside_sawcomputers.
AalwaysB.neverC.rarelyD.sometimes
2.Thecomputerisonlyamachine.Itcannotthink.(jointhetwosentenceswith'so')
3.Thecameramadein1999costs¥2800
Thecameramadein2002costs¥6800(jointhetwosentencesbyusing'more')
changethesentencesintoayesnoquestion是不是改为一般疑问句的意思?