My aunt is a writer. She ______more than ten books for 30 years.

The young girl stood there ______ withoutsaying anything.

Excuse me. a hotel on Center Street -No, there isn’t.

ook is said to be a very special one, because it _______ many events not found in other history books.

Toward the end of class, the teacher dealt in detail with the question _______ on at the beginning.