IDNStudy.com, ang iyong pangunahing mapagkukunan para sa mga sagot ng eksperto. Hanapin ang mga solusyong kailangan mo nang mabilis at tiyak sa tulong ng aming mga bihasang miyembro.

What word fits for the sentence to make sense? Teachers know ____________________ their money wisely and invest their hard­earned savings in worthy and profitable projects.
a. to spend
b. that having spent
c. how to spend
d. of spending


Sagot :

I think it's letter C. 
I think it's C as well