Please never do such things _______ other people.

1. A.
   that will do harm to
2. B.
   as they will do harm to
3. C.
   as will do harm to
4. D.
   which are harmful to

Please never do such things _______ other people.

A. that will do harm to　　　　　 B. as will do harm to

C. as they will do harm to　　　　 D. which are harmful to

Please never do such things _______ other people.

Please never do such things _______ other people.

A．that will do harm to                      B．as they will do harm to

C．as will do harm to                       D．which are harmful to