suffering a heart attack, MichaelJackson was pronounced dead, ____ a tragic end to the world’ s most popular entertainer.

In preparing scientific reports of laboratory experiments, you should _____ your finds in logical order and clear language.

______ around the clock for two days，David managed to finish the report for the manager on schedule.

__ some more chairs，tables and so on, the room looked more beautiful

We in the same school since three years ago.