Fill in the gaps with appropriate preposition

He was absorbed --- deep thought.

Change the voice:

Who opened the door?

Fill in the gaps with articles:

. . . . . .phone is ringing.

Use the correct form of verb in the following sentences (any five):

The boy (to bit) by a mad dog yesterday.

Fill in the blanks with appropriate preposition:

The thief........... when he saw the police.

write the meaning:

Beggar description