1.We are working on the____________(assume) that everyone invited will turn up.

2.We made a careful________(analyse) of the problem.

3.A green banana is not________(ripen) so we can’t eat it.

4.The boy who got lost in the forest had to eat unripe fruits to prevent____________(starve).

5.As is known to us all, ________(accurate) is of great importance in the study of science.

6.My sister is 165____________(metre) tall with long beautiful hair.

7.If your knife isn’t________£¬ you need a knife____________to________it. (sharp)