Question

Fill in: about, of (x2). to Write in your notebook.
1. We can save a huge amount... energy in this way
2. This is a perfect example ... renewable energy
3. We are leaming... urban sustainability this week.
4. The decrease in energy use in this building is equal ... a saving of $5,000 a
year

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Answer 1

1. of

2. of

3. about

4.about