posted by rfvv .
1. Did Mr. Fleming save Sir Winston Churchill when he was in a swamp/bog?
(is this story real?)
2. What saved Winston Churchill?
- It's penicillin.
- It was penicillin.
(Which answer is grammatical?)
3. Sir Winston Churchill
3-2. Sir Winston
3-3. Sir Churchill
(Which one is not correct? Why is so?)
4. He graduated from a medical school of Harvard University.
4-2. He graduated from a medical school in/at Harvard University.
(Which preposition do we have to use?)