The third sentence:
Ming and her sister, who is home from college for spring break, organized a bake sale to benefit the victims of the fire.
Answer:
Several clients.
Explanation:
The indirect object is a person or object affected by the verb, so in this case the verb is gave, and the several clients are the recipients of the verb, so they are the indirect pronoun.
Answer:
The correct answer is option D) Scientists have spent years trying to determine how tsunamis can be predicted with greater accuracy.
Explanation:
A formal sentence is devoid of any slang, informal sentence structure, abbreviations or mixed language words.
In the above sentence, proper English vocabulary is used in the sentence. There is no slang words in it. Words are not written in their short forms and neither is any street language used. The sentence is structured in a very professional way and none of the words are misspelled.