Sentence Transformation

1 You should know better. You shouldn't throw litter in the street.
( combine using 'than 9; )
You should know better than throwing litter in the street.

2 What I don't like is his rude way of speaking.
( begin : It's his )
It's his rude way of speaking that I don't like.

3 Such small seats may be all right for first formers but they are not suitable for fifth formers.
( use 'do' and 'not do' )
Such small seats may do for first formers but they would not do for fifth formers.

4 There are two bathtubs in this house. It does not matter which one you use.
( combine begining with 'You may' and using 'either& #39; )
You may use either of the two bathtubs in this house.