GRE Text Completion: Fundamental 24 Sets-GRE填空基础24套 - 2XB00424R5462IC9!

Many people mistakenly imagine that life in space is full of (i)____________; in reality, an astronaut's day includes many tasks so (ii)____________ as to be boring. A. tedium B. sporadic C. difficulty D. leisurely E. excitement F. routine