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??????? is hard is to do good all one’s life and never do anything bad.

A. That　　　　　　 B. What??? ????????????? ????????????? ????????????? ????????????? C. All??? ????????????? ????????????? ????????????? D. Which

_____ is hard is to do good all one's life and never do anything bad.?

 _______ is hard is to do good all one’s life and never do anything bad.

  A. He                       B. It                             C. That                         D. What

_______is hard is to do good all one's life and never do anything bad.

A. He　　 B. It　　 C. That　　　 D. What

 _______is hard is to do good all one's life and never do anything bad.

A. He     B. It          C. That          D. What

_____ is hard is to do good all one's life and never do anything bad.?

A. He       B. It           C. That        D. What ?

 _______ is hard is to do good all one’s life and never do anything bad.

  A. He                       B. It                             C. That                         D. What

.

___________is hard is to do good all one's life and never do anything bad.

A. He     B. It          C. That          D. What

_____ is hard is to do good all one’s life and never do anything bad．

A．He           B．It           C．That          D．What

_____ is hard is to do good all one's life and never do anything bad.?