Passive voice (present or past)

People usually think that rice ______ (grow) in China.

But did you know that there's a placein Spain full or rice fields? They _________ (locate) in north-eastern Spain on the Banks of the Ebro Delta at the Rjet Vell nature reserve.

300 tonnes of rice ________ (produce) each year.

The first rice ________ (plant) here in 2003.

Chemicals ________ (not use) in the fields before 2003 so the rice is organic.

Lots of birds ________ (help) by the rice fields, including herons and flamingos.

The rice ________ (buy) in many countries, including Germany.

In 2004 the rice ________ (give) an organic food award.