(每日一练)2022 届高中英语动词不定式易错题集锦


单选题

1、The Russian scientists            the vaccine against Covid-19.

A．are said to be developedB．are said to have developed

C．had said to developD．have said to have been developed

答案：B

解析：

考查时态语态和非谓语动词。句意：据说俄罗斯科学家已经研制出了针对 Covid-19 的疫苗。根据句意可知，句
子表述现在存在的事实，要用一般现在时。say 与主语是被动关系，所以用被动语态，be said to do sth 固定结
构表示“据说”，所以排除 C、D。且 develop 的动作先于谓语动词 said 发生，故用不定式的完成式，所以排除 A
项。develop 与逻辑主语 scientists 之间为主动关系，所以为 are said to have developed。故此题选 B。

2、As an English teach ...