21.
Switch . . . . . . . . a light. It's getting dark.

22.
Exercise is beneficial . . . . . . . . health.

23.
The little girl began . . . . . . . . feel hungry.

24.
The police charged him . . . . . . . . stealing the jewels.

25.
The policeman examined the closed doors of the shops . . . . . . . . a small stick.

26.
What is the name . . . . . . . . your friend?

27.
There is a bridge . . . . . . . . the river.

28.
He deals . . . . . . . . cheating people.

29.
Ravi reached Germany . . . . . . . . the 7th of January.

30.
Come on! We're relying . . . . . . . . you!