Part V
1.
The firm¡¯s advertising department made sure that news of ------- product launch appeared in the media.
(A) their
(B) they
(C) theirs
(D) themselves
2.
------- their replacement costs are small, the engineers decided not to use those lower quality parts in the future.
(A) So
(B) That
(C) Even though
(D) As a result
3.
The country¡¯s northern coastline was an important ------- against the strong winds that swept across the nation every winter.
(A) barrier
(B) guideline
(C) symptom
(D) significance
4.
We finally submitted ------- we had been preparing for since May.
(A) what
(B) where
(C) that
(D) who