1) It was Jefferson who wrote
(考点:强调主语)
2) It is with genuine feeling that the author(考点:强调状语)
3) It was because the water had risen that(考点:强调状语从句)
4) It was Jim, the heartless fellow, who was heard(考点:强调主语)
5) It was not until I told her that(考点:强调状语从句)
n. 独立,自主,自立