____ the young people keep learning it, they can pass on Dai culture from generation to generation.
Students who take notes during class have higher grades thanwho don’t.
It is bad manners to ________an invitation without a reason.
In view of all sorts of rumors and guesses, experts carried out some careful and scientific research and the possibility of a second earthquake in this area.
It was reported that the ship sank three miles _____ the French coast.
_______ she is not so healthy _______ she used to be?