THERE ARE … SAVING METHODS AND INVENTIONS TO USE SOLAR ENERGY

13. - BAI TAP TIENG ANH LOP 9 TRAC NGHIEM TU BAI 1 10
Lớp 9 BAI TAP TIENG ANH LOP 9 TRAC NGHIEM TU BAI 1 10

13. There are … saving methods and inventions to use solar energy.

a. energetic b. energize c. energy