【推荐1】Hungry bears may be congregating (聚集) around human ________ (settle), leading to the illusion that populations are higher than they actually are. （所给词的适当形式填空）

【推荐2】With the ________ (destroy) of the rainforest, many species are in danger of extinction. (所给词的适当形式填空)

【推荐3】She has deep ________ (concerned) for her son’s health. (所给词的适当形式填空)

【推荐1】This made Hannah very sad, and even more __________(determine) to do something. (所给词的适当形式填空)

【推荐2】It is important to realize that some humour is not ______ (suit) for the workplace, and that it is often used at the wrong times. (所给词的适当形式填空)

【推荐3】These vegetables are full of vitamins and minerals and very ________(nutrition).

【推荐1】The computer game is so ________ (addict) that students can’t resist it.（所给词的适当形式填空）

【推荐2】Alcohol and tobacco are both highly ______ (addict) substances.

【推荐3】It started as a hobby, but it got so_____________(addict) that I had to keep on doing it. (所给词的适当形式填空)

【推荐1】The ________cigarette can________ people, so once you are________ to smoking cigarettes, it's extremely difficult to fight your________ ( addict ) (所给词的适当形式填空）

【推荐2】His ____________(addict) to drugs, which concerned the parents, propelled him towards a life of crime. (所给词的适当形式填空)

【推荐3】He kicked his three-­pack-­a-­day cigarette habit, and overcame his________ (addict) to alcohol. (所给词的适当形式填空)