Explain to me these rules.
1. Desks can often show aspects of character otherwise hidden from general view .......if analysed in detail will reveal their owner's innermost secrets.
( these/ however/ and which/ but where)
The answer is and which. WHY?
2. The way the film eventually got made, ......like the story itself , a certain ring of destiny to it.
( feels / has / indicates/ looks)
The answer is has .
3. Not only........ an automobile , you've also won free gasoline for a year
( had you won/were you winning/ have you won)
The answer is have you won
4. He wanted to know ......when had the school been used as a call center.
( by/ for/ since / during)
The answer is since.