Choose the correct answer. 1. ... you visit Greece three years ago?
a) did
b) do
c) were
2. Nina and Sveta ... good friends.
a) are
b) were
3. The children ... a snowman now.
a) make
b) are making c) made
4. Helen ... keep to a diet next month.
a) didn't b) won't c) doesn't
5. Paul ... in love two years ago.
a) is
b) were c) was
