Mukai Chiaki, the first female Japanese astronaut, 15 days aboard the space shuttle Columbia in space before it to the Earth on July 23, 1994.302/404Mukai Chiaki, the first female Japanese astronaut, 15 days aboard the space shuttle Columbia in space before it to the Earth on July 23, 1994.was spending – was returningspent – was returningspent – had returnedhad spent – returnedGiải thíchChọn đáp án D