9. Solar energy is free. Solar is inexhaustible.
A. Solar energy is both free or inexhaustible.
B. Solar energy is either free or inexhaustible.
C. Solar energy is not only free but also inexhaustible.
D. Solar energy is free but inexhaustible.
10. In spite of all our efforts, we failed in the final match.
A. Although we tried very hard, we failed in the final match.
B. We made all our efforts so that we could gain success in the final match.
C. Whatever efforts we had made, we weren’t able to win in the final match.
D. We failed in the final match as a result of all our great efforts.
Loga
Sinh Học lớp 12
