It took less than 35 years from the release of African honeybees outside Sao Paulo, Brazil, when their descendants, popularly known as killer bees, had migrated as far north as southern Texas.
语法 Sentence Correction-2819
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考满分老用户 2015-01-29 10:30:20
2) it不能指代介词短语 from the release, it可以指代主语从句和不定式结构: It is difficult to do this research. It is important that we finish on time. 在这两个例子中it分别指代to do this research和that从句
ajisa713 2015-06-17 10:20:52
since 不能和过去完成时连用，BC错 it不能指代介词短语，作为形式主语，可指代主语从句和动词不定式DE错 且名词优于动名词形式的名词
停不下来的雕兄 2016-12-18 14:16:34
it无指代物. intended meaning is distorted, it turns out that the migration of killer bees happened simultaneously with the release of African honeybees.
小揪揪 2016-12-19 22:56:18
(D) it不能指代介词短语from the release…
yiyi11311 2016-10-14 11:50:14
it做形式主语时只能to do、that，不能知道介词短语
yiyi11311 2016-10-14 11:50:14
it做形式主语时只能to do、that，不能知道介词短语
yiyi11311 2016-10-14 11:50:14
it做形式主语时只能to do、that，不能知道介词短语
yiyi11311 2016-10-14 11:50:12
it做形式主语时只能to do、that，不能知道介词短语
yiyi11311 2016-10-14 11:50:12
it做形式主语时只能to do、that，不能知道介词短语
yiyi11311 2016-10-14 11:50:10
it做形式主语时只能to do、that，不能知道介词短语
yiyi11311 2016-10-14 11:50:10
it做形式主语时只能to do、that，不能知道介词短语
BoboZH 2016-09-15 06:26:12
it不能指代介词短语，只能指代不定式或者是从句
