35. His wife ,who is good at　　　　 　does most of the shopping . 　　

　 A .bargaining　 B . arguing　 C　 explaining　 D .debating

34.Jack has been feeling down recently . I wonder 　　　　that is making him so upset .

A .what is it　　 B . why is it　 C . why it is　　 D . what it is