He always has a lot of _______ ideas in his mind , and sometimes we do not even know what he is thinding about.
Pleasebeserious.Iamnot_______.Youshouldconsideritcarefully
It is not ---_______ for me to return all the books to the library now because I still need some of them for my research.
Many kinds of animals are believed to have _________from the earth
Withthe_______ofMary,allthegirlstudentsareeagertogototheparty.