Unit5 Topic1 SectionC 随堂练习 一、用方框中所给词的适当形式填空。 week, library, begin, bed, once 1. Many books are in the ______. I often borrow them there after class. 2. —How often does Miss Li go shopping? —______ a week. 3. It’s 9:00 p. m. It’s time to go to ______. 4. Fourteen days are two ______. 5. Lunch ______ at eleven thirty. Let’s go now.