(2013·泰安模拟)Although　　　to be the best in a recent science competition, the student remains modest.

Mr wu is _______excellent teacher, he is always patient to help us.

eople ________ not have plans yet for New Year’sEve, but others know exactly what they will be doing.

It is not ______ that everyonewill be able to be famous persons.

I believe a leaf of grass isthana star in the sky．Every plant gives us pleasure in its ownway．