"Of" is a preposition in the phrase "Of studying" and "until" is another, as well as "to" in the phrase "to college" so there are 3 in that sentence.
Answer:
Na 1
No3
No. Last
Mostly those are likely answers
A Mini motor car fitted with a high-powered engine and disc brakes.
If you have already had a research questing identifies, you should: B, turn it into an assertion.
