The young man was h_______(上瘾)on heroin and lost his job and his wife. 2. I would be g________(感激的)if you would mail this package for me. 3. The ends of the cigarette are so p________(有毒的) that if a baby swallows one, it is likely to die. 4. My sole object was to get s_______ (避难所)form the snow. To get myself covered and warm.