The space shuttle has _____the space station.It brought back two astronauts A been B gone C been toDgone to
问题描述:
The space shuttle has _____the space station.It brought back two astronauts A been B gone C been toDgone to
答
C have been to 是已经去过 have gone to 是去了某地还未回来 此题已经带回来两个人了