2. 职称英语
  3. It is necessary that he (come) ______ back without delay.(should)come虚拟语气可用于主语从句

It is necessary that he (come) ______ back without delay.(should)come虚拟语气可用于主语从句

游客2023-09-23  30
问题 It is necessary that he (come) ______ back without delay.
选项
答案 (should)come
解析 虚拟语气可用于主语从句，这类主语从句的一般形式为：It is/was+引起虚拟浩气的形容词或过去分词+含虚拟语气的主语从句。这类主语从句常常用于表示要求、建议、命令、请求、提议等，其谓语形式往往为“(should)+动词原形”的形式。可以引起虚拟语气的形容词和过去分词有：important, necessary, natural, possible, essential, vital, appropriate, imperative, probable, interesting, strange, odd, sorry, surprising, advisable, desirable, urgent和desired, advised, decided, required, proposed, ordered, demanded, requested, insisted, arranged, suggested, moved等。
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