Choose the right word.

1) It is wide/widely known that healthy eating habits prolong our life.

2) I think high/highly of my German teacher.

3) I can dive deep/deeply.

4) I can hard/hardly breathe.

5) This steak smells good /well.

6) Robin looks sad/sadly.

7) His hamburger tastes awful/awfully.

8) Dog food smells so terrible/terribly.