It’s my           to make sure that the disabled people in our neighborhood have access to all public buildings.

I have no idea____________ the book is __________ to your English study.

After the earthquake, we can see the ________of the village.

I heard a soft _______ at the door. When I looked up, I found it was Mary. 

—Did you remember to give Jenny the money?　　　　—Yes. ________ I saw her, I'm sure.