5. In terms of comparative adjectives , the following alternative that does not contain an irregular form is(1,0)
a. ( ) faster
b. ( ) further
c. ( ) worse
d. ( ) Elder
e. ( ) better
6. The Eiffel towe in France ________ that one of building in Dubai.(1,0)
a. ( ) higher
b. ( ) as high as
c. ( ) more high than
d. ( ) higher as