Lawrence Craven, a doctor from the USA, is the author of several published reports, one of which introduced the idea in 1953 ________ aspirin could reduce the risk of heart attacks by thinning blood.
in writing a lecture speech on AIDS prevention , she has no time to attend to her sick mother .
you eat the correct foods be able to keep fit and stay healthy .
Mr Song said that global warming was largely for the country’s frequent extreme weather in 2011 .
Mrs Brown gave us several cases language travel students were likely to get enough language practice .
It’s important for the figures regularly .