1 not so

2 no

3 or else

4 otherwise

5 if not

6 How about ...?

1 still

2 as before

1 four

2 4

1 wallpaper

1 unexpectedly

2 to one's surprise

3 go so far as to

1 obvious at a glance (idiom)

1 obvious at a glance (idiom)

1 not to accept as correct (idiom); to object

2 to disapprove

3 to take exception to

1 everything clear and in good order (idiom); neat and tidy

1 to let things take their course (idiom)

2 to leave it to nature

3 laissez-faire