There is a bird ______ the tree. [ ]

The number of the students in our school is about nine ____. ____ of them are boys.

_______ is it from your home to school?— It’s five kilometers . [ ]

英语老师指着“Ff”问道：What’s this? 你应答：_______.

______ of the workers in the computer factory is about two thousand, and ______ of them are women workers.