1) People ____ have high preassure and other stress related health problems should try meditation. a) who b) which c) where d) when 2) General anestesia, _______ is used for major surgeries, poses certain risks for the patient. a) who b) which c) where d) when 3) Even cold medications can have side effects _______ are harmful if it is taken too long.  a) who b) that c) where  4) Patients ____ cold symptoms are unconfortable may buy over the counter medication. a) who b) whose c) where  d) that 5) Accupuncture is a popular method of relieaving pain in China _____ it has been practiced for thousands of years.  a) who b) whose c) where  d) that 6) The first 24 hours after a major operation is a period _____ the patient if often at great risk.  a) who b) where c) when d) that

Defining and nondefining relative clauses

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