英语 单项选择___ is very useful for us students ____ English well___ is very useful for us students ____ English wellA.This ; to learn B.That ; to learnC.It ; to learn D.It ; learns

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英语 单项选择___ is very useful for us students ____ English well___ is very useful for us students ____ English wellA.This ; to learn B.That ; to learnC.It ; to learn D.It ; learns

英语 单项选择___ is very useful for us students ____ English well___ is very useful for us students ____ English wellA.This ; to learn B.That ; to learnC.It ; to learn D.It ; learns
英语 单项选择___ is very useful for us students ____ English well
___ is very useful for us students ____ English well
A.This ; to learn
B.That ; to learn
C.It ; to learn
D.It ; learns

英语 单项选择___ is very useful for us students ____ English well___ is very useful for us students ____ English wellA.This ; to learn B.That ; to learnC.It ; to learn D.It ; learns
C ( It )is very useful for us students( to learn ) English well.
解析:It's +形容词(adj)+for+某人(sb)+to do sth
对某人来说,做某事.(形容词修饰事)

C

C
It's _+形容词+for+某人+to do sth固定用法

C it做形式主语,不定式短语才是句子的真正主语。

C it; to learn

C

C