WORD FORMATION Cinc increase Write the correct form of the words in brackets. 20. In 2021, the tonnes. (EMIT) 21. of carbon dioxide in Vietnam reached around 106 million metric energy, such as wind or solar energy, does not release harmful pollutants and will never run out, (SUSTAIN) 22. Youth is a big problem in many countries around the world. (EMPLOY)

III. WORD FORMATION
Cinc
increase
Write the correct form of the words in brackets.
20. In 2021, the
tonnes. (EMIT)
21.
of carbon dioxide in Vietnam reached around 106 million metric
energy, such as wind or solar energy, does not release harmful pollutants and
will never run out, (SUSTAIN)
22. Youth
is a big problem in many countries around the world. (EMPLOY)
IV. ERROR RECOGNITION
Find the underlined part that needs correction in each of the following questions.
3. It is expected that the number of garbage in low-income countries will increase by more than three times
by 2050.
A
B
C
D
24. Andy is interested in knowing about what can tourists do to minimise the environmental impact of
heir journeys.
B
C
D
A