Choose the correct articles.

1. When ... sun shines, we say it is sunny.
a) - b) the c) a
2. Plants can’t live without ... air.
a) the b) - c) an
3. We live on ... Planet Earth.
a) an b) --- c) the
4. How do ... sun ,. air, and .water make ... weather?
a) the, the, a, the b) the, the, the, the c) --, a, the, the
5. ... Lake Baykal is ... deepest lake on ... Earth.
a) the, the, an b) the, the, the c) the, the, an
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