Answer:
Tom <em>has </em>finished the test.
We <em>have </em>met our new neighbors.
<em>Has </em>Kevin ever missed an English class?
I <em>have</em> never taken an online course.
<em>Have </em>you done your homework?
Explanation:
Past and present tense
Answer:
D.
is one of the hardest workers he has ever seen
Explanation:
This is an excerpt from <em>Into the Wild</em>, “I’ve given jobs to lots of hitchhikers over the years, ' says Westerberg. 'most of them weren’t much good, didn’t really want to work. It was a different story with Alex. <em>He was the hardest worker I’ve ever seen."</em>
They are: to demilitarize Antarctica, to establish it as a zone free of nuclear tests and the disposal of radioactive waste, and to ensure that it is used for peaceful purposes only; to promote international scientific cooperation in Antarctica; to set aside disputes over territorial sovereignty
Answer: The state of being
