学进去

Mr Smith is a teacher. His office is not far _______ his home, but he always _______ to work every day. Mr Smith likes his car very much, so he often _______ his car and he uses a lot of water _______ it. He tells Mrs Smith, “I must keep my car _______.” Mrs Smith says to Mr Smith, “You shouldn’t wash your car too often. You shouldn’t _______ too much water.” Mrs Smith goes shopping every day. She goes to the shopping centre _______. She likes walking. She thinks it’s _______ for her health(身体).