HE / INTERESTED / BUYING / NEW / HOUSE / ISN’T / A / IN / .A. HE I...
16. He / interested / buying / new / house / isn’t / a / in / .
a. He isn’t interested in buying a new house.
b. He isn’t buying in a new interested house.
c. Isn’t he interested in buying a new house.
d. He isn’t interested buying in a new house.