Jim said the book ____ very interesting.
— Look! The girl with long hair is drawing a picture. Is she Sandy?— It ______ be her. I’m not sure.
We should do everything we can to protect the birds ______ danger.
I like ______ best. They look very tall for they have long legs and a long thin neck.
None of them have pity on the endangered animals. What ______ shame it is!
Most students don’t know ________ when their phones are taken away.A. what can they doB. how they could communicateC. who they can play with