试题 试卷
题型：单选题 题类：常考题 难易度：普通
四川省绵阳市拦河中学新目标七年级上学期Unit 8 When is your birthday? 单元测试
—He's fourteen.
—Yes, he has been an engineer for thirty years.
—It's about _________ on foot.
—Once a year.
—He's my new friend.
—It's about 3.4 million.
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