12. He talks tough but has a tender heart.
A heavy B strong C kind D wild
13. It is no use debating the relative merits of this policy.
A making B taking C discussing D expecting
14. Our statistics show that we consume all that we are capable ofproducing.
A waste B buy C use D sell
15. The fuel tanks had a capacity of 140 liters.
A function B ability C power D volume