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 [答案]D [解析]句意:20世纪50年代的,大多数家庭只有一部电话,...
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 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 解析 句意为:在美国20世纪50年代的时候,大多数的家庭家里只有一...
解析 5.D [句意为:在20世纪50年代的美国, 大多数家庭家里仅有一部电话,无线电话 还没有被发明出来。 由 in the 1950s可知 句子说的是过去发生的事情,又由 yet 可知,要用完成时,故空格处用过去完成时; 又因 phones与 invent 之间是被动关系, 所以用被动语态。 综合可知,选D项。 ] ...
【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...
In the 1950s in the USA, most families (have) just one phone at home, and wireless phones hadn’t been invented yet. (所给词的适当形式填空) 相关知识点: 试题来源: 解析 had 【详解】 考查一般过去时。句意:在美国20世纪50年代,多数家庭只有一部电话,无线电话还没有被发明出来。空格处在句中...
In the 1950s in the USA,most families had just one phone at home,and wireless phones ___ (not use)by then.相关知识点: 试题来源: 解析 答案见解析 答案:hadn't been used.根据by then可知是过去完成时,再根据括号的的要求可知是否定句,wireless phones和use之间是被动关系,所以用hadn't been used...
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...
In the 1950's in the USA,most families had just one phone at home and wireless phones ___(not invent) yet. 相关知识点: 试题来源: 解析 【答案】hadn't been invented【翻译】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。 【思路点拨】wireless phones与invent之间是动...
5.In the 1950s in the USA, most families had just one phone at home, and wireless phones ___ yet. (2017·北京卷) A。haven’t invented B。haven’t been invented C.hadn’t invented D.hadn’t been invented 答案D [句意:在美国20世纪50年代的时候,大多数的家庭家里只有一部电话,并且无线...