[ If vs. Whether ]

… you do excessive exercise, it may hurt your heart.

  1. if
  2. whether
  3. if/whether

Select your answer:

Random Topics:
Do Vs. DoesRegular vs. Irregular VerbCountable Noun

Next quiz: Mixed General Quiz

Football and ice-hockey are popular sports ___ the country.
a. on
b. in
c. of

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