In the 1950s in the USA, most families had just one phone at home, and wireless phone_____yet.A. haven't inventedB. haven't been inventedC. hadn't inventedD. hadn't been invented " /> In the 1950s in the USA,
In the 1950s in the USA,most families had just one phone at home,and wireless phones hadn't been invented(invent)yet. 相关知识点: 试题来源: 解析 根据题干,可知是指20世纪50年代的美国,大多数家庭只有一部手机,而且无线电话已经发明了。此处表示过去的过去,用过去完成时had+过去分词。此处的主语是...
In the 1950s in the USA, most families had just one phone at home, and wireless phones ___ yet. A. haven’t invented B. haven’t been invented C. hadn’t invented D. hadn’t been invented 2In the 1950s in the USA, most families had just one phone at home, and wireless...
13.In the 1950s in the USA,most families had just one phone at home,and wireless phones ___ yet.( ) A.haven't inventedB.haven't been invented C.hadn't inventedD.hadn't been invented 试题答案 在线课程 分析二十世纪五十年代在美国,绝大多数家庭只有一部电话,无线电话还没有发明出来. 解答...
【题目】In the 1950s in the USA, most families had just one phone at home, and wireless phones ___ yet. A.haven't invented B.haven't been invented C.hadn't invented D.hadn't been invented 试题答案 在线课程 【答案】D 【解析
【题文】In the 1950s in the USA, most families had just one phone at home, and wireless phones ___ (not use) by then. (所给词的适当形式填空) 相关知识点: 试题来源: 解析 【答案】hadn’t been used 【解析】【分析】【详解】考查动词。句意:在20世纪50年代的美国,大多数家庭家里只有...
1In the 1950s in the USA, most families had just one phone at home, and wireless phones ___ (not invent) yet(用所给单词适当形式填空) 2In the 1950s in the USA, most families had just one phone at home, and wireless phones (not invent) yet(用所给单词适当形式填空) 3【题文】...
In the 1950s in the USA, most families had just one phone at home, and wireless phones ___ yet.A. haven’t inventedB. haven’t been invented C. hadn’t inventedD. hadn’t been invented
In the 1950s in the USA, most families had just one phone at home, and wireless phones ___ yet. A. haven’t invented B. haven’t been invented C. hadn’t invented D. hadn’t been invented试题答案 在线课程 【答案】D 【解析】 练习册系列...
In the 1950s in the USA, most families had just one phone at home, and wireless phones yet.A. haven’t invented B. haven’t been inventedC. hadn’t invented D. hadn’t been invented