Question

As heart disease (0) is continuing (continue) to be the number one killer in the United States, researchers

(i) (become) increasingly ( ii). (interest) in identifying the potential

risk factors that (iii) (trigger) heart attacks. High-fat diets and ‘life in the fast lane’ have

long (iv.) (know) to contribute to the high incidence of heart failure. Heart failures (v)

(appear) to have seasonal and temporal patterns. Many heart failures (vi) (occur)

in cold weather and many people (vii) (experience) heart failure on Monday than on any

other day of the week. Cardiologists (viii) (observe) more morning phenomena of heart

attacks than in afternoons or evenings.​

Answer 1

Answer:

As heart disease is continuing to be the number one killer in the United States, researchers become increasingly interested in identifying the potential the risk factors that trigger heart attacks. High-fat diets and ‘life in the fast lane’ have long known to contribute to the high incidence of heart failure. Heart failures appear to have seasonal and temporal patterns. Many heart failures occur in cold weather and many people experience heart failure on Monday than on any other day of the week. Cardiologists observe more morning phenomena of heart attacks than in afternoons or evenings.​

(I hope I did answer the question)

Answer 2

Answer:

As heart disease (0) is continuing (continue) to be the number one killer in the United States, researchers (i) have become (become) increasingly ( ii) interested (interest) in identifying the potential risk factors that (iii) trigger (trigger) heart attacks. High-fat diets and ‘life in the fast lane’ have long (iv.) been known (know) to contribute to the high incidence of heart failure. Heart failures (v) appear (appear) to have seasonal and temporal patterns. Many heart failures (vi) (occur) occur in cold weather and many people (vii) experience (experience) heart failure on Monday than on any other day of the week. Cardiologists (viii) have observed (observe) more morning phenomena of heart attacks than in afternoons or evenings.