If he did not pass course this semester he would have to what? - learn - fail - get certificate - go back to - feel proud  The best answer is
go back to
------
What is owned by a person and could have a second floor? - cave - school - two story building - hotel - house  The best answer is
house
------
Billy and June were in the process of procreating.  It was very fun, but they knew that it would lead to what uncomfortable end? - lack of sleep - twins - venereal disease - overpopulation - children born  The best answer is
children born
------
Something I haven't done recently is have rest, how do I feel? - were very tired - rested - worked all day - exhausted - muscles tired  The best answer is
exhausted
------