About ________ percent of the earth's surface is covered with water.
上英语课前值日生喊“ 起立”会说:A.Goodbye. B. Stand up.
晚上睡觉前,妈妈会跟你说:A.Good evening. B.Good night.
老师询问“准备好了吗?”时,老师会说:A. Are you ready? B.What song?
上午见到老师,你应该说:A.Good morning. B. Good afternoon.
选出下面每组中不属于同一类的单词.(5分)(1)A.daddy B.bear C.mummy(2)A.sister B.brother C.happy(3)A.mouse B.zero C.six(4)A.I B.teacher C.you(5)A.tiger B.monkey C.baby