7. Sınıf 3. Ünite Testi

Doğru şıkkı işaretleyiniz.

1. How can we _____ global warming?



2. They should _____ the environment clean.



3. Smoking is _____ to your health.



4. _____ don't you start a compaign againist it?



5. What _____ taking new measures?



6. You _____ leave your computer on for a long time.



7. What should we _____ in this case?



8. We should _____ trees for a better environment.



9. A good merchant _____ overchange his customers.



10. The patient should obey the doctor's words of _____.