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II. Complete the following sentences, using the words given. Number 0 has been done as an example.
sustainable
relics
renewable
excavations
joined
0. The old man_joined the army during the war and left one arm on the battle field.
natural
methods to produce clean and healthy food.
that led to the discovery of the ancient city lasted several years.
1. Farmers should use
2. The archaeological
3. Ha Long Bay was recognised as a World Natural Heritage Site for its
in 1994 and 2000 respectively.
beauty and geological value
sources of energy are the wind and sun.
from ancient times are on display at the national heritage museum.
4. The most common
5. A lot of