Answer:
3. Would you like a sandwich? "No thanks, I have <u>just</u> had lunch.
4. Shall I pay the waiter? "No, I have <u>already</u> paid him."
5. We have known each other <u>for</u> ten years.
6. Rayan hasn't texted me since Sunday morning.
7. ...you <u>ate</u> breakfast.
8. The train...<u>arrived</u>.
Explanation:
For the rest it is mainly just the past tense of the word.
For example:
He (eat) breakfast.
He <u>ate</u> breakfast.
Men have weaker immune system
Answer: True
Explanation: The reliability of wikis is questionable because anyone can edit a wiki. However, especially on wikis such as Wikipedia, sources must be cited on the wiki itself. So, if you find information on a wiki, find the citation for that information and check that source to see if the information you found is reliable.
1. Fragment.
2. Complete sentence.
3. Run-on sentence.
4. Complete sentence.
5. Complete sentence.
I hope I could help.