Europe's biggest ISS project is the Columbus science laboratory ... astronauts can carry out scientific experiments in weightless conditions.
A. which B. where C. when D. there
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"Did you see the new 3D film at Megastars Theater?" - "Yes. It was better than good. It's was ..."
A. over the moon B. once in blue moon C. the sky's the limit D. out of this world
Europe's biggest ISS project is the Columbus science laboratory ... astronauts can carry out scientific experiments in weightless conditions.
A. which B. where C. when D. there