How can we get this language point _____ to the students

It’s a beautiful toy, ____ doesn’t B

We couldn’t find you anywhere around 8:00 yesterday evening．— I’m sorry for it．My mother and I _____________ in the square then．

e saw the road ________ with snow, we decided to spend the holiday at home.

Since our school does not employ full-time librarians, the library ________ is usually run by volunteers with special responsibilities for library work.