问题
选择题
The success of her business made _______tough to carry out her role as wife and mother.
A．that
B．this
C．it
D．her
答案
C
it此处用作形式宾语，代替不定式短语to carry out…。
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The success of her business made _______tough to carry out her role as wife and mother.
A．that
B．this
C．it
D．her
C
it此处用作形式宾语，代替不定式短语to carry out…。