试题详情

Was it in 1969 ______ the American astronauts succeeded in landing on the moon?

It was in 1969 ______the American astronauts succeeded in landing on the moon.

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

was sent into the space.Vernes story was the same as the actual event in several other respects.The

was sent into the space.Vernes story was the same as the actual event in several other respects.The