23. After suffering a heart attack, Michael Jackson was pronounced dead, ________ a tragic end to the world’s most popular entertainer.
After several years, he changed a lot and looked different from _______he used to be.
The teacher asked more ______to prevent the students’ eyes from being injured.
It was decided to _______ the search when there was no hope of finding the missing child alive.
The story is very interesting, and it is _______.
What _______to go swimming in a river in summer!