[ROBINDESBOIS]

The other day I came into some transformation sentences that I used to do in the past, and I knew how to do them but now I have some doubts.
Can anyone have a look at them and correct them if that´s the case?

1. There´s a cigar left in that pocket
that pocket has ...... one cigar left
2. The trousers were too small for him to wear.
the trousers were´t .......... big enough for him to wear
3. I´d prefer this one to that one.
I´d rather............. have this one to that one
4. Which one do you want?
Which is ...........the one you want?
5. This one isn´t quite large enough
this one is ..........too short
6. That man is as greedy as anyone possible could be
NO-one ...............is as greedy as him.
7. I don´t like Jim as much as Alan does.
Alan ...............like jim more than me.
8. The theater was so full that we were unable to get a seat.
The theater was too full ..............for us to get a seat.