Question

From Mum’s love, patience and understanding, I have learned what a huge responsibility ___ is to raise a child.

A. it　　　　　　 B. that 　　　　　　 C. this　　　 D. one

 

Answer 1

A

 

考查代词的用法及感叹句。此句还原为：what a huge responsibility to raise a child（it）is.此处it为形式主语。