Грамматика и Лексика

Преобразуйте, если это необходимо, слово NOT HARM так, чтобы оно грамматически соответствовало содержанию текста.

Although he knows that smoking is injurious, he thinks that it __________ him very soon. So he ignores the warning labels and continues smoking. As a rule heavy smokers don’t really care about themselves, because if they did, they would not be smoking in the fist place.