4 Complete each sentence with the correct word from Exercise 3.
1 Not many plants and animals can live in…
because they are very dry. deserts / hills
2 Many…… have snow on top of them all
year. mountains / valleys
3 There's a…..
near my home, and I like
going fishing there. river / sea
4 There were so many trees in the…..
that it
was impossible to see the sky. forest / lake
5 My friend and I cycled to the….
for a swim.
a
lake / volcano