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After Yang Li Wei succeeded in circling the earth, _______ our astronauts desire to do is walk in space. 

A. where            B. what                C. that            D. How

After Yang Li Wei succeeded in circling the earth, _______ our astronauts desire to do is walk in space. 

A. where            B. what                C. that            D. How

After Yang Li wei succeeded in circling the earth, _______ our astronauts desire to do is walk in space.

A. where                         B. what                       C. that                              D. how