Choose the best answer to compelete each sentence. People with a disability can still integrate ... our communication

I. Choose the best answer to compelete each sentence. 
1. People with a disability can still integrate... our communication
A. with   B. among   C. in    D. on
2.we should get ...in charity work to help people in need. 

A. Involved
 B. Involve  
C. Involvement
D. Involving
II. Chooae the underlined part which is incorrcet. 
1. After an hour of discussion, all the
       A.                                             B
members of the committee felt happily about
                                                    C.      D
the decision.