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The time he has devoted in the past ten years ________ the disabled is now considered ________ of great value.

The time he has devoted in the past ten years ________ the disabled is now considered ________ of great value.

A. to help；being　　                            B. to helping；to be

C. to help；to be                                   D. helping；being

The time he has devoted in the past ten years_________the disabled is now

considered__________ of great value.

A. to help; being     B. to helping; to be      C. to help; to be D. helping; being

1．The time he has devoted in the past ten years ________ the disabled is now considered ________ of great value.

A．to help；being 　 B．to helping；to be　　 C．to help；to be 　 D．helping；being

The time he has devoted in the past ten years_________the disabled is now

considered__________ of great value.

A. to help; being        B. to helping; to be   C. to help; to be  D. helping; being

The time he has devoted in the past ten years        the disabled is now considered       of great value.

       A．to help; being                                       B．to helping; to be

       C．to help; to be                                       D．helping; being

The time he has devoted in the past ten years ________ the disabled is now considered ______ of great value.

A．to help; being   B．to helping; to be       C．help; to be        D．helping; being

The time he has devoted in the past ten years ________the disabled is now considered _______of great value.

 The time he has devoted in the past ten years        the disabled is now considered       

of great value.

    A．to help; being                   B．to helping; to be

    C．to help; to be                   D．helping; being