The study of natural history is not something to be left to biologistsIn fact, their capacity _____ the time they can spend away from their offices is very limited

pecial school accepts all disabledstudents, _____ educational level and background

Our classroom is ___________than theirs

Deng Yaping and her teammates are ____ the U.S.A. nextweek.

Where has all the time gone I can still remember the day when I first came to this school, but now I am about to leave.-_______.