-- ? --They are my books.
The work ________ in two hours. Let’s hurry.
Andy loves playing the piano. He ________ the piano after school very often.
Oh, my god! Our house __________last night. Look at the footprints (脚印) on the floor.
— Why is your bedroom so dirty?— Sorry, Mum. It ___________. I felt very tired after playing soccer.
Tom said he had never been there, but he was .