Answer:
Sentence 5 talks about looking for alternate energy sources but doesn't specifically mention solar energy so it is wrong. Sentence 10 says that solar energy is a "significant development" but it doesn't provide specific evidence so it is also not correct. Sentence 6 is the best answer - it shows that it is already being used and it has the potential to be used even more.
Explanation:
The correct sentence is: Two of the best singers were them. This makes sense because when you rephrase the sentence, "them" becomes "they" which appropriately describes the nouns of the sentence. The modified sentence then becomes: They were the best singers.
Answer:
rikki tikki tavi was a really good story the important details is the story of a brave young mongoose who keeps a human family and a number of animal friends safe from the vicious, murderous cobras who slither through the garden.
