I don’t know how to deal with these old books.- ___giving them to the children from poor families?

It’s time to say goodbye to my school . I’ll always remember the people _____ have helped me .

Mary was very busy last week. She did the work all ______ herself. [ ]

I like sweets very much. — _____. That’s probably why I’m becoming fatter and fatter. [ ]

When will Han Han’s new book ________? —Sorry, I don’t know. I’m looking forward to his new book, too.