Dull or boring that's all I can think of
i'm pretty sure it's "had argued"
a participle is a verb used as an adjective
The student that is doing excellent in school is guaranteed to attend university because of his high GPA.
Deep Rooted is A plant or a Tree that is planted into the ground so deep the roots Stretches all over under ground thats why they call it deep rooted .....Because when i went to Pull up a root in my backyard it was hard to pull up and it took 3 people because it was deeply in the ground, roots can stretch far under ground thats why its call deep-rooted
The last option because you get facts <span />