C) were bought
(The sweets were bought by the children yesterday - passive voice in the past tense.)

B) are
(The beds are made by Jane every day - passive voice in the present tense.)

C) broken
(The window was broken yesterday - passive voice in the past tense.)

C) Is
(Is cappuccino made with milk? - passive voice, present tense.)

B) are
(Apples are grown in Greece - passive voice, present tense.)

B) are written
(Emails are written every day - passive voice, present tense.)

B) wasn’t directed
(The film Titanic wasn’t directed by Steven Spielberg - passive voice, past tense.)

A) are made
(Car tyres are made of rubber - passive voice, present tense.)

C) Are
(Are these bags made of leather? - passive voice, present tense.)

C) written
(Who was Romeo and Juliet written by? - passive voice, past tense.)

A) wasn’t painted
(The Mona Lisa wasn’t painted by Monet - passive voice, past tense.)

C) was built
(That skyscraper was built in 1965 - passive voice, past tense.)

C) Are
(Are tapas eaten in Spain? - passive voice, present tense.)

A) is made
(Yoghurt is made from milk - passive voice, present tense.)

C) were stolen
(The jewels were stolen last weekend - passive voice, past tense.)

B) bought
(I bought this bag in Italy last year - active voice, past tense.)

A) are watched
(His films are watched by many people - passive voice, present tense.)

C) weren’t written
(The Harry Potter books weren’t written in French - passive voice, past tense.)

B) was
(The house was painted last year - passive voice, past tense.)

C) Was
(Was Thomas invited to the party? - passive voice, past tense.)

A) wasn’t
(This letter wasn’t written by Donna - passive voice, past tense.)

B) is served
(Dinner is served at 7 o’clock every evening - passive voice, present tense.)

A) were washed
(The dishes were washed by Annie yesterday - passive voice, past tense.)

C) was built
(When was this bridge built? - passive voice, past tense.)

C) was published
(The article was published last year - passive voice, past tense.)