--What would you give me in ________ for my recorder?

--My MP3. Do you agree?

A. reward　　　　 B. turn　　　　　 C. preparation　　　 D. exchange

（2011·黑龙江哈师大附中第二次月考）24.   --What would you give me in ________ for my recorder?

--My MP3. Do you agree?

A. reward                    B. turn                  C. preparation            D. exchange

（2010·黑龙江哈师大附中高三上第二次月考） 24. --What would you give me in ________ for my recorder?

--My MP3. Do you agree?

A. reward       B. turn        C. preparation       D. exchange