The teacher kept his _______ and took his students to the cinema，where they had _______.

 –What’s the matter, doctor? --Nothing serious. Take the medicine according to the ______.

 Our Party has always devoted great attention to raising the living _____ of the working people.

Scientists have found no ________of life on Mars so far,though great efforts have made on the research.

—Believe it or not, last month in America I came across the girl whose photo was in the drift bottle got three years ago .   —Really？That’s the most surprising          I’ve ever heard of！