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

33.Shortly after we 　　　　　.the chairman took his place and declared the meeting open . 　　

A . sat ourselves　 B . seated down　 C . were seated　 D . seated

32.They believed that production in their factory　　　　 by bringing in the latest equipment from abroad .

A . will greatly increase　　　　 B . would be greatly increased

C . has greatly increased　　　　 D . had been greatly increased