Cover of the textbook Outcomes Pre-Intermediate - Workbook

The key answer of exercise 1

The key to exercise solutions in chapter 11 - Science and nature (Part 3) for the textbook Outcomes Pre-Intermediate - Workbook with authors Carol Nuttall and David Evans from National Geographic Learning

Question

Rewrite the following sentences with the correct form of the passive.

Answer

  1. The first earthship was developed by Michael Reynolds in the 1970s.
  2. Earthships can be built from available recycled materials.
  3. Worn out car tyres are used to build the external walls.
  4. The tyres are filled with rammed earth to make the walls.
  5. The first earthship was built in the UK in Fife, in Scotland.
  6. Could glass bottles be used to build walls?
  7. Can the earthships be heated naturally?
  8. The buildings are heated with solar panels.