Answer:19. He says that he’s been really tired since several weeks ago. 20. A friend of us is going to pick us up at the airport. 21. I’ve worked like a waiter in the past, but I wouldn’t want to do it again. 22
Explanation:
It is like an idea that they come up with in an experimeant
<span>density if u in k12 there is page on each test that give u the answer just saying for people in k12</span>
