It never _____ humans until the mid1990s that some animals can be cloned.A．occurB．is occurredC．occurred toD．occurred-高中英语-魔方格

◎ 题干

It never _____ humans until the mid1990s that some animals can be cloned.

A．occur

B．is occurred

C．occurred to

D．occurred

◎ 答案

查看答案

◎ 解析

查看解析

◎ 知识点

根据魔方格专家分析，试题“ It never _____ humans until the mid1990s that some animals can be cloned.A．occurB．is occurredC．occurred toD．occurred…”主要考查了你对【therebe句型】等知识点的理解和应用能力。关于这些知识点的“档案”，你可以点击相应的链接进行查看和学习。

◎ 相似题

与“ It never _____ humans until the mid1990s that some animals can be cloned.A．occurB．is occurredC．occurred toD．occurred”考查相似的试题有：

● A pair of Li Ning trainers costs about 200 yuan, while a similar pair of Nike costs five times .A．that much B．so muchC．as muchD．very much ● If you like, you can take ____.A．as much books as you canB．as many books as possibleC．as many as books you canD．many as possible as you can ● The population of our village was ____ that of theirs.A．as twice large asB．twice as large as C．twice as much asD．as twice much as ● _________ is no possibility _________ China wins FIFA World Cup.A．There; thatB．It; that C．There; whetherD．It; whether ● ．—________the population of Shandong Province?—I can't say exactly, but I know it ________ about 80 million.A．What's; has large populationB．How much is; ha