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DO YOU KNOW?
The first expedition to explore Son Doong Cave, the world's largest cave, took place in _____.
a. 1991 b. 2000 c. 2009
Syllable stress
A. (🎧2-07) Listen and repeat. Notice how the syllable stress sometimes changes when the form of a word changes.
1. define definition 3. explore exploration
2. origin original 4. compose composition
B. (🎧2-08) Listen. Underline the stressed syllable in each word.
1. invite invitation 4. modify modification
2. combine combination 5. simplify simplicity
3. educate education 6. supervise supervision
C. Work with a partner. Take turns to read the words in B.
