(Q).
The knowledge was expensive to get, where was it being gained? - university - book - field - meeting - class  The best answer is
(A).
university


(Q).
If you were looking for a lemur where would you find it? - russia - at home - hole - field - heaven  The best answer is
(A).
field


(Q).
Sarah didn't think that they deserved division.  She spend a lot of effort doing what to them? - multiplication - putting together - times - subtraction - multiply  The best answer is
(A).
putting together