I usually forget _______ the window, but I remember_______ it yesterday.

When facing some challenges, Jimmy shows greatcourage.— Yes. He is a man who never _________.

This picture book is intended ______ the children who begin to learn Chinese words

This printer is of good quality. If it ________ break down within the first year, we would repair it at our expense.

some views in the old edition of Three Character Classic, some schools in Hubei Province demand to delete those sentences.