1/plentiful

2. electricity 

3.environmentally

4. heat 

5. shortage 

6. effective 

7. pollution 

8. unfortunately 

9. installing 

10. energetic

1/ carelessly

2. disappeared

3. existence

4. imaginative

5. inventors

6.  creation

7. unpleased,,

8. safety

9. unsleeping

10. widen..

1.____________plentiful____________

2. _____________electricity ____________

3.______________environmentally___________

4._________________heat__________________ 

5. ____________shortage _______________

6. ______________effective_____________

7. ____________pollution _____________

8. unfortunately___________________

9. ___________________installing __________________

10. energetic___________________

=============================================================

1_________________carelessly________________

2. _________________disappeared_________________

3. _____________________existence_________________

4. ________________imaginative_______________

5. __________________inventors___________________

6.  _______________creation___________________

7. __________________unpleased_________________

8.______________________ safety_____________________

9. _________________________unsleeping__________________

10. _____________widen_________________

*lưu ý : __________= từ đã cho

chúc bạn học tốt ^-^

cho mik ctlhn nha!!!!!