WRITING: Rewrite these sentences, using the passive voice.
1/ Scientists have suggested that playing sports can improve the immune system. As a result, we may reduce the chance of getting viral infections and diseases.
2/ We cannot deny that smoking can increase the risk of getting lung cancer.
3/ A sedentary lifestyle may cause many chronic diseases, including diabetes and obesity.
4/ Health authorities have stopped the outbreak of the flu.
5/ The Red Cross are providing Health programs to mothers in poor nations.
Loga
Sinh Học lớp 12
