Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks.

In order to prove that they don't (1)_______the housing problems, governments should encourage property owners to rent out the properties to those without house. In return, can be (2)________ given to owners in forms of tax relief or subsidies. (3)__________ this is not a complete answer to the problem, it ought to be considered.