B.) change "have" to "has"
The answer is the last one. Hannah thinks that cats are happier outdoors than they are indoors.
Lea wants to revise the final sentence by adding a transition at the beginning. The best choices are 'as a result' and 'therefore'.
<h3>What is a transition?</h3>
Transition is a change or modification that can be done to change the sentence, or correct the sentence.
The two transitions are, As a result, students should wear uniforms to create an equal environment.
Therefore, students should wear uniforms to create an equal environment.
Thus, the correct option is A and E.
Learn more about transition
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I think the answer is cheerful.