根据句意及汉语提示写出适当单词。 1. Yesterday my mother bought a _______ (肥皂). 2. They _______ (搬到) to a new house last year. 3. He is going to _______ (包裹) the book in a red paper. 4. You must _______ (打开) and have a look at it. 5. You must _______ (记住) to lock the door when you leave.