Among those sentences only the last one has a verb modified by an adverb:the verb is "hid" and the adverb is "quickly". In fact there are no other adverbs in those sentences.
Answer:
To date, four pits have been partially excavated. Three are filled with the terra-cotta soldiers, horse-drawn chariots, and weapons. The fourth pit is empty, a testament to the original unfinished construction. Archaeologists estimate the pits may contain as many as 8,000 figures, but the total may never be known.
Explanation:
Give more details like if someone needed help with something what would u for example put if someone needed help I would by _____.
The bolded pronoun in the given sentence is the word "which". This pronoun is an example of an interrogative pronoun. Interrogative pronouns are pronouns that are used to introduce a question. The antecedents of interrogative pronouns are unknown because it is what is being asked in the sentence that is missing.