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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

From mum’s love ,patience and understanding,I have learned what a huge responsibility___is to raise a child.

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

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

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

From mum's love, patience and understanding, I have learned what a huge responsibility _______ is to raise a child.

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

.

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

From mum's love, patience and understanding, I have learned what a huge responsibility _______ is to raise a child.

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

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

From mum’s love ,patience and understanding,I have learned what a huge responsibility___is to raise a child.