Answer:
The thought of us residing in utter blindness petrified me! or you could use For a long time he could not utter a word, so that the Rhetor had to repeat his question.
Explanation:
Answer:
Guppies can live with other peaceful fish in aquariums, but piranhas should only be kept in tanks with other piranhas because piranhas typically eat other fish.
All you have to do is restate your topic sentence but in a different way and make your point more clear.