The fact has worried people _______ the number of thedeaths is still increasing.

These are ____ erasers,and _____ arewhite.

When asked to explain _____ he did to make his students so fascinated with his lessons, the teacher paused and thought deeply.

You should have felt ______yourself for not helping the boy who was struggling desperately for life in the water. [ ]

This is between you and me.— I promise. I won’t tell others ______ you say I can.