решить. Необходимо правильно раскрыть скобки. Re-write sentences using the appropriate tense form:
Dialysis is the artificial process of getting rid of waste and unwanted water from
the blood. This process naturally (to do) by our kidneys. Some people, however, may
have damaged kidneys which cannot (to carry out) the function properly – they may
need dialysis. In other words, dialysis (to be) the artificial replacement for lost kidney
function. Dialysis (to use) for people who (to become ill) and have acute kidney
failure, or for fairly stable patients who permanently (to loose) kidney function.