Which country is....: Mexico or Costa Rica?
A.big
B.the bigger
C.bigger
D.the biggest

She is.... in the staff.
A.the most good
B.the far better
C.most the best
D.by far the best

He is.... person I have ever met.
A.quite the most intelligent
B.far more intelligent
C.far intelligent as
D.as intelligent

We are.... involved in charity than they are.
A.most
B.as
C.as far
D.far more

He is.... his wife.
A.twice as heavy as
B.as twice heavy as
C.as heavy as twice
D.twice as heavy than

.... he insisted he was innocent, .... they seemed to believe him.
A.The more / the less
B.More / less
C.The most / the least
D.Most / least

He has.... his sister does.
A.as friends as
B.more friends as
C.many friends than
D.more friends than

I think cow is.... of all animals.
A.most useful
B.most useful
C.the most useful
D.the more useful

The new machines use.... the old ones.
A.less water and electricity more than
B.less water and electricity than
C.less water and electricity
D.as less water and electricity than

Mary was.... of the two sisters.
A.the clever
B.as clever as
C.the cleverer
D.the cleverest