When he knew the disappointing result of the exam, he seemed quite ____.
—Don't you believe me?—________, I'll believe ________ you say.
The reform has changed the whole nation. It cannot remain ________ it used to be.
Evidence has been piled up ________ drinking water after getting up in the morning contributes to one's health.
It is usually thought ________ a little child says is truth.
The warning we were given as children ________ eating fast will make you fat, may in fact, have a scientific explanation.