Actually it's the leopard.
3. would be/knew how
The first blank must be future tense because the word after it ends in -ing
The second blank must be ____ how, and it must be past tense, so knew how. She knows <em><u /></em><em>why </em>the business would be started, to provide a great public service, but not <em>how</em>.
Answer:
1. the answer is b; the passage is mostly about living walls and how they help
2. the answer is d; the sentence before talks about 'high rise buildings'
3. the answer is a; air conditioners are an example of energy use
4. the answer is d; the first three words are 'containers holding soil'
5. the answer is d;
6. the answer is d;
i'm not sure on all of these so you may want to check my answers before using them(if you do decide to)
What passages? I can't answer this for you because I can't read the passages.
