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After Yang Liwei succeeded in circling the earth, _______our astronauts desire to do is walk in space.

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

After Yang Liwei succeeded in circling the earth ,_______our astronauts desire to do is walk in space .

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

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

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

After Yang Liwei succeeded in circling the earth ,___our astronauts desire to do is walk in space .

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

 After Yang Liwei succeeded in circling the earth, _____ our astronauts desire to do is walk in space.   

A. where               B. what

C. that               D. how