The Changjiang River is too wide for so young a boy to swim_____.[ ]

Cindy is a good student. She’s ________ the first to come to school. She ________ comes to school late.

I live at school so I often go here _______Friday aternoon.[ ]

Have you returned the book to the library ____? —Yes, I have ____ returned it.

Most British high school children ______ uniforms at school.