Domande

esercizio 14 - capitolo unit 7 - science in action

it's said that an apple a day keeps the doctor away. / an apple a day is said to keep the doctor away.
it's claimed that cracking joints causes arthritis. / cracking joints is claimed to cause arthritis.
it's agreed that laughter is the best medicine. / laughter is agreed to be the best medicine.
it's always been believed that oranges can treat a cold. / oranges have always been believed to be able to treat a cold.
it's thought that a merry heart does good like a medicine. / a merry heart is thought to do good like a medicine.
it's said that an ounce of prevention is worth a pound of cure. / an ounce of prevention is said to be worth a pound of cure.