【2012福建福州】— Our classroom____________every day. — So it is. It's our duty to keep it clean and tidy. A. cleans B. is cleaning C. is cleaned
——Could you tell me? ——Glad to help.
——________ late for school again, Tom! ——Sorry, I promise I _________.
Anyone _______ information should contact the police ________ 55554012.
Some Math problems in this book aredifficult for the studentswork out.
_____earn more money for his new car, the young man has to work for three _____ hours in the evening.