`1)` People break the grass into a small pieces.
`=>` The grass.......................................................
`2)` He will build the house in `2021`.
`=>` The house......................................
`3)` Traveling around the would is interesting.
`=>` It's interesting..........................................
`4)` '' Don't make noise in class.'' The teacher said to us.
`=>` The teacher told us.....................................
$\rm \ Check \ đáp\ án \ :D$