Passive voice

Ethylene and propylene

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In Switzerland, four languages

Coffee

I´m sorry, but breakfast

Which courses

The mail

Which language

About 200,000 songs

Travelers to North America

is spoken in USA?

are required to carry a Visa.

are downloaded every second.

are spoken.

are taught at your school?

was served after midday at the hotel.

are heated to make a polymer.

are asked to create a password.

is grown in Brazil and Colombia.

is collected at 5:00 pm.