After suffering a heart attack, Michael Jackson was pronounced dead, ____ a tragic end to the world' s most popular entertainer.
Can you tell me if you have found the key ________ your car.
Sometimes ________ English is quite different from _______ English in many ways.
_____ of the students who took part in the military training is 450.
We discussed where to go for a whole morning, but we decided to stay at home_____.
Mr. Huang will ________ in the movement.