Lawrence Craven,a doctor from the USA,is the author of several published reports,one of ________introduced the idea in 1953 aspirin could reduce the risk of heart attacks

Is it all right if I keep this photo—_______.

elves from the physical and mental tensions, we each need deep thought and inner quietness.

Many Americans live on credit, and their quality of life is measured _________ how much they can borrow, not how much they can earn

The families of the trapped miners’ are________ to get any information about their relatives from the rescuing center.