The astronauts succeeded_______from the moon to the earth according to the plan.A.in returningB.in returning back我知道succeed in 并且介词后面跟ing 但是为什么不能加back?难道是固定搭配?

astronauts 宇航员的妻子 THE ASTRONAUTS WIFE怎么样 英语翻译_____ _____ the astronauts can see the Earth clearly. In memory of the Challenger astronauts 音频或视频 Therearen't any astronauts in the space shuttle.（改为同义句）There ________ ________ astronauts in the space shuttle. Astronauts have already been to the moon.改成疑问句:Where have astronauts( )been选填already或yet The astronauts _____ _____(成功）returning from the moon to the earth at last. 高中英语的完成句子-In space the astronauts will have to face the circumstances_on the earth . The children ________(clap) their hands excitedly as soon as the astronauts appeared on the stage. The astronauts _____(go) to the space station .They will be back next week. 完形填空 Shenzhou VI astronauts sleep on the w______ of the spaceship. Our Chinese astronauts will land on the moon (in the near future).括号部分提问 some astronauts must travel through the space to repair the telescope改错 Two____from the USA went to the moon many years ago.(pilots/astronauts) Have the scientists_____ spoken to the astronauts?A.already B.just C.ever D.yet 英语翻译what are the four astronauts doing from the shuttle Endeavour .如不能,那是为什么, The three astronauts (took a space shuttle)to go tothe space.(对划线部分提问) Who did the astronauts talk to when they were in space?的译文