Is the sentence active or passive?

Gilbert will be given a new watch on his graduation day.

(a)  

Is the sentence active or passive?

The laboratory hasn't been used for quite long.

(a)  

Is the sentence active or passive?

My best friend swims like a snake.

(a)  

Is the sentence active or passive?

Parcels and letters are delivered regularly.

(a)  

Write this sentence in Active voice.

Computers are used by teachers at school.

(a)  

Write this sentence in Active voice.

Frozen food is produced by CP Company in Thailand.

(a)  

Write this sentence in Active voice.

The new songs were sung by the boys.

(a)  

Write this sentence in Active voice.

The lake has just been crossed by the students.

(a)  

Write this sentence in Passive voice.

The doctor is operating the twins now.

(a)  

Write this sentence in Passive voice.

They make shoes in that factory.

(a)  

Write the sentence in Passive voice.

The headmaster called the parents to the office.

(a)  

Write the sentence in Passive voice.

My sister will bake some cookies on Sunday.

(a)  

Write the sentence in Passive voice.

We have produced skates here since 1980.

(a)  

Write the sentence in Passive voice.

Is she helping her grandma at the moment?

(a)