9. Butter melts if it ... put into the refrigerator.
a) isn't
b) doesn't
C) hasn't
10. Phew! I'm so tired and hungry. Let's have ... coffee break.
a) a
b) the
C) -
11. Alan ... Spain three times before he met his future wife Janet at a students' party.
a) visited
b) was visiting
c) had visited
12. Once they ... in a village on the coast for three months.
a) lived
b) were living
c) had been living
