Work in pairs.Ask and answer question using the words given as the words given, as in the example.
Example: A: When do you decorate the fir tree?
               B: In winter, at Christmas.

a) decorate the fir tree / at Christmas.
b) swim in the sea / summer.
c) go on a picnic / spring.
d) pick apples / autumn
e) play with snowballs / winter.
f) go back to school / autumn.
g) eat a lot of ice cream / summer.