【推荐3】—Whal is wrong with our campus network?
—I don’t know. It may ________(link) to the electrical circuit. （所给词的适当形式填空）

【推荐1】In an effort to help teens better protect their hearing, we suggest ________ (set) volume limits on personal audio devices. It is also good to limit the amount of time exposed to noise and to take listening breaks to give the ears a rest.（所给词的适当形式填空）

【推荐3】To obtain food and avoid ______ (catch), they have to depend on other senses such as smell and their ability to detect slight changes in water pressure. （所给词的适当形式填空）