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 相关知识点: 试题来源: 解析 D. 答案:D 句中invent与主语phones构成动宾关系,要用被...
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 inventedC. hadn't inventedD. hadn't been invented. 答案 【答案】 D 【核心单词短语】 in the 1950s 在二十世纪五十年代 【翻译...
29. 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 相关知识点: 试题来源: 解析 29.D 考查时态和语态。【解析】句意:在20世纪50年代的 美国,大多数...
【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
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...
解析 答案见上【答案解析】 1.D 。 句意:20世纪50年代,美国大 多数家庭家里只有一部电话,那时还没有发明无线 电话。 由句意以及句中的关键词Inthe 1950s和yet 可知,and后的分句应用过去完成时;且 wireless phones和动 invent之间是动宾关系,故使用过去 完成时的被动语态 ...
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
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 invented B. haven’t been invented C. hadn’t invented D. hadn’t been invented 试题答案 在线课程 练习册系列答案 导与学...
3. In the 1950s in the USA, most families had just one phone at home, and wireless phones _ ___ (invent)yet.4.Silk (become) one of the primary goods traded along the Silk Road by about 100 BC.5.When walking down the street,I came across David,whom I ___(see) for years.现在...