There are _______ in the reading room, but many of those books aren’t _______ to read.

If you want to make your friend not be too nervous before the final exam, you say:_______.

How many students are there in your school?—_______ students, I think.

She spent four weeks which she could afford _______ around the country, promoting her new album.

To be well-informed , we should be ______ communication _____ each other about what happens to us.