<h3>
Answer: B. Studied</h3>
We're talking about event in the past (last night), so we use a past tense form of the verb "to study".
Danny <u>studied</u> for a long time last night.
Answer:
B. sorry, doubted, sigh
Explanation:
I took the test on edg :D
The answer is B, a team of explorers are studying the ocean floor
