_______(49)
A.supports
B.helps
C.shows
D.serves

_________(48)
A.in order to
B.such as
C.due to
D.as well as

_________(46)
A.realizing
B.noticing
C.imagining
D.solving

_______(45)
A.make
B.force
C.push
D.keep

_______(44)
A.worked
B.thought
C.turned
D.carried

_________(43)
A.product
B.result
C.reason
D.conclusion

It was suggested that Pedro studied the material more thoroughly before attempting to pass the exam.
A.studied
B.more
C.attemping
D.to pass

________(41)
A.necessarily
B.certainly
C.fully
D.nearly

All of the mammals, dolphins are undoubtedly among the friendly to humans.
A.all of
B.undoubtedly
C.among
D.friendly

Chicago’s Sears Tower, once the tallest building in the world, rises 1,522 feet from the ground to the top of it antenna.
A.once
B.rises
C.feet
D.it