Choose the best answer (A, B, C or D)

----- Nội dung dịch tự động từ ảnh -----
V. Choose the best answer (A, B, C or D).
1. By the middle of the 21st century, people in developing countries
more renewable energy.
A. uses
B. will be using
C. used
D. have used
2. The wind, the sun, and the wave are some types of
sources
of energy.
C. cheap
D. costly
A. changeable
3. Alternative sources of energy
B. alternative
developed in the near future.
D. will be
A. is
B. was
C. has been
4. Fossil fuels are very common in our society but they
the
environment.
A. renew
B. provide
C. waste
D. pollute
5. "Why is it called a
source?" – "Because it can be replaced
easily and quickly."
A. effective
B. specific
C. renewable
D. non-renewable
MD
AI TI J:A
n..A